Adva PI
Adva PI
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Paper 1
                                                                                                                                                                                       Yo u a r e n o t a ll o wed t o l ea v e t h e E xa m i n at i o n Ha l l b ef o r e t h e en d o f
                                                                                                                                                                                        t h e t es t .
                                                                                                                                                                                                                       INSTRUCTIONS
                                                                                                                                                                             A. General Instructions
                                                                                                                                                                             1. Attempt ALL the questions. Answers have to be marked on the OMR sheets.
                                                                                                                                                                             2. This question paper contains Three Parts.
                                                                                                                                                                             3. Part-I is Physics, Part-II is Chemistry and Part-III is Mathematics.
                                                                                                                                                                             4. Each part is further divided into two sections: Section-A & Section-C
                                                                                                                                                                             5. Rough spaces are provided for rough work inside the question paper. No additional sheets will be
                                                                                                                                                                                provided for rough work.
                                                                                                                                                                             6. Blank Papers, clip boards, log tables, slide rule, calculator, cellular phones, pagers and electronic
                                                                                                                                                                                devices, in any form, are not allowed.
                                                                                                                                                                                   Section-A (11 to 15) contains 5 multiple choice questions which have more than one correct
                                                                                                                                                                                   answer. Each question carries +4 marks for correct answer. There is no negative marking.
                                                                                                                                                                             (ii) Section-C (01 to 05) contains 5 Numerical based questions with answers as numerical value
                                                                                                                                                                                  and each question carries +4 marks for correct answer. There is no negative marking.
Enrolment No.
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                                                            2
Useful Data
                                                      PHYSICS
                        Acceleration due to gravity             g = 10 m/s2
                                                                                      2      2
                        Permittivity of free space              0 = 8.85  1012 C /N-m
CHEMISTRY
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                                                               3          AITS-CRT-II(Paper-1)-PCM-JEE(Advanced)/14
Physics PART I
                                                      SECTION  A
                                              Single Correct Choice Type
This section contains 10 multiple choice questions. Each question has four choices (A), (B), (C) and (D)
out of which ONLY ONE is correct.
1.        Two mutually perpendicular infinitely long straight conductors carrying uniformly distributed
          charges of 1 and 2 are at x = 0 along yaxis and at x = a parallel to z axis. Then:
          (A) The force between them is infinite
          (B) The force between them depends on a
          (C) The force between them is independent of a
          (D) The torque of force about x axis on any conductor is non zero
2.        A block is attached to a horizontal spring of stiffness k. The other end of the spring is attached to
          a fixed wall. The entire system lie on a horizontal surface and the spring is in natural state. The
                                                                                                       5
          natural length of the spring is 0. If the block is slowly lifted up vertically to a height     from its
                                                                                                      12 0
          initial position, which of the following is not correct:
                                                 5
          (A) The work done by the gravity          mg
                                                12 0
                                                        k 2
          (B) The work done by the spring force  0
                                                        288
                                                      5         k 2
          (C) The work done by the lifting force         mg 0  0
                                                     12         288
          (D) The sum of works done by all the forces on the block is zero
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                                                               4
                                                                                                              y
4.        Find the position coordinates of the image of the object P as seen
          through the periscope. The mirrors are inclined at 45 with x-axis                                                   P(d, d)
                                                                                                                      (0, d)
5.        The piston is massless and the spring is ideal and initially streched the
          piston cylinder arrangement encloses an ideal gas. If the gas is heated
          quasistatically the PV graph.
(A) (B)
(C) (D)
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                                                                5          AITS-CRT-II(Paper-1)-PCM-JEE(Advanced)/14
8.         When a tangential force of 0.02 N is applied on a large wooden plate of area 10 m 2 floating on the
           surface of river, plate moves with the speed 2 m/s on the river surface. The river is 1 m deep and
           the water in contact with the bed is stationary. Assuming constant speed gradient, coefficient of
           viscosity of water is
           (A) 105 poise                                   (B) 102 poise
                 9
           (C) 10 poise                                     (D) 1015 poise
9.         A car is moving towards an approaching bike. Bike is moving with velocity 30 m/s. Frequency of
           horn sounded by car is 100 Hz while it is observed by bike rider as 120 Hz. The actual duration
           of horn is 6 sec. The time the bike rider hears it, in seconds is (take velocity of sound in air as 330
           m/s)
           (A) 1 sec                                            (B) 10 sec
           (C) 5 sec                                            (D) 12 sec
10.        An empty plastic box of mass m is found to accelerate up at a rate of g/6 when placed deep
           inside water. Then the mass of sand be filled in it so that it may accelerate down at a rate of g/6 is
                2                                                  4
           (A) m                                              (B) m
                5                                                  5
                13                                                 17
           (C)     m                                          (D)     m
                 5                                                  5
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                                                                6
This section contains 5 multiple choice questions. Each question has four choices (A), (B), (C) and (D)
out of which ONE or MORE are correct.
11.        A block of mass 2kg moves under the influence of external forces on a rough horizontal surface.
           At some instant, it has a velocity of 1 m/sec. due south and acceleration of 1 m/sec2 due east.
           The force of friction acting on it is F.
           (A) F acts due west
           (B) F acts due north
           (C) F acts in the south-west direction
           (D) The magnitude of F can not be found from the given data.
12.        In a certain series LCR A.C. circuit it is found that XL = 2XC and phase difference between the
           current and voltage is /4. If now capacitance is made 1/4th & the inductance and resistance are
           doubled then which are not correct.
           (A) voltage will lead current by a phase of tan1(1/2).
           (B) voltage will lag behind current by a phase of tan1(1/2).
           (C) voltage will lag behind current by a phase of /4.
           (D) voltage and current will be in same phase.
13.        A vertical cylinder contains ideal gas with the help of two pistons whose
           combined mass is M. Pistons are connected by an inextensible string. The
           difference in the area of pistons is A. Atmospheric pressure is P0. Initially
           the system is in equilibrium as shown in the figure. Now heat is supplied to
           the system. Mark the correct statement(s).
           (A) volume will increase
           (B) Pressure will remain constant
           (C) Temperature will increase
           (D) Internal energy of gas will remain constant.
14.        As shown in the fig. all surface are frictionless and block B is released
           from top of the incline A then
           (A) Linear momentum of (A + B) will remain constant in all direction.
           (B) Linear momentum of (A + B) will remain constant in horizontal
               direction.
           (C) Linear momentum of A will remain constant in horizontal direction.
           (D) Mechanical Energy of (A + B) system will remain constant
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                                                               7          AITS-CRT-II(Paper-1)-PCM-JEE(Advanced)/14
                                                      SECTION C
                                                  Integer Answer Type
                                                                                                                   X    Y   Z   W
0 0 0 0
This section contains 5 questions. The answer to each of the questions is a single-digit                            1   1   1   1
integer, ranging from 0 to 9. The appropriate bubbles below the respective question                                 2   2   2   2
numbers in the ORS have to be darkened. For example, if the correct answers to question                             3   3   3   3
numbers X, Y, Z and W (say) are 6, 0, 9 and 2, respectively, then the correct darkening of
                                                                                                                    4   4   4   4
bubbles will look like the as shown.
                                                                                                                    5   5   5   5
6 6 6 6
7 7 7 7
8 8 8 8
9 9 9 9
                                                                                                                                m
1.        Disc of mass M = 10 kg and radius R = 50 cm is revolving about
          fixed vertical axis on smooth horizontal surface with angular
          velocity 0 = 4 rad/sec. A block of mass m = 5kg is connected to                               R
                                                                                                             2m
2.        A block of mass 2 kg is tied to elastic thread of length 2 m and
                                                                                                   O
          suspended to point O. Initially block is horizontal level to this
          point O. Now block is released and its speed is 5 m/s when
          thread is vertical. If the acceleration of the block at the lowest
                                                                                              4m
          position is 2.5 K. Find the value of K.
m = 2kg
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                                                               8
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                                                                  9          AITS-CRT-II(Paper-1)-PCM-JEE(Advanced)/14
Chemistry                                                               PART  II
                                                          SECTION  A
This section contains 10 multiple choice questions numbered 1 to 10. Each question has 4 choices (A),
(B), (C) and (D), out of which ONLY ONE is correct.
HO OH
                                                                                    H3C                        CH3
                        O
            (C)                O                                        (D)               OH
                   H 5C 6                C 6H 5                                HN    C
                                                                                          NH2
H 5C 6 C 6 H5
3.        In an adiabatic expansion of air (assume it a mixture of N2 and O2), the volume increases by 5%
          the percentage change in pressure is:
          (A) 3%                                           (B) 4%
          (C) 6%                                           (D) 7%
4.        In the normal spinel having one eighth of the tetrahedral holes, occupied by one type of metal ion
          and one half of the octahedral holes occupied by another type of metal ion. Such a spinel is
          formed by Mg2+, Al3+ and O2. If oxide ion is replaced by X-8/3, the number of anionic vacancies
          per unit cell is;
          (A) 1                                             (B) 2
          (C) 3                                             (D) 
                                                           Rough Work
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                                                                 10
5.        Caffeine is dissolved in a suitable solvent and the osmotic pressure () of solutions of various
          concentrations (g/cm 3) C is measured at 20C. The slope of a plot of  against C is found to be
                    3
          4.65  10 . The molecular weight of the caffeine (g/mol) is:
          (A) 3  105                                     (B) 9  105
                       5                                               6
          (C) 4.5  10                                    (D) 5.16  10
6.        In which of the following molecule, the number of possible XAX angles is maximum in the
          anionic part of their solid state? [A : central atom, X : surrounding atom]
          (A) PBr5                                             (B) N2O5
          (C) PCl5                                             (D) Cl2O6
                                                                             Hc
                                                                                     Hd
                                 Hb
                      (I)                  (II)                   (III)                        (IV)
          (A) (I) < (II) < (III) < (IV)                                   (B) (I) < (II) < (IV) < (III)
          (C) (IV) < (III) < (II) < (I)                                   (D) (III) <(IV) < (II) < (I)
8.        HCl gas is passed through an aqueous solution of 0.1 M 1  aminopropane (PrNH2) till the pH
          reaches 9.71. Calculate the ratio of [PrNH2]/[PrNH3]+ in this solution:
            a     3       
           K Pr NH  1.96  10 11 
                                     
          (A) 0.01                                         (B) 0.002
          (C) 0.1                                          (D) 103
                                                           Rough Work
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                                                                            11     AITS-CRT-II(Paper-1)-PCM-JEE(Advanced)/14
                                                       
                               dil      H     acidic    
9.         Compound  A  
                           aq. NaOH
                                    ,  
                                             Na Cr O
                                                        Pr oduct  C8H4 O3 
                                                                2       2   7
                                   COOH                                                           COOH
             (C)                                                                 (D)    Cl
                                        Cl
                                                                                                  CH3
                                   COOH
COOH
10.                   Me
                        C     CH
                                       H / Ni B P  2 
                                                H                   
                                    2 2
                                         B  
                                             C
                                 Et
                                                                                        Et
             (C)                 Me                                              (D)              Me
Me
Me
Rough Work
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                                                                12
This section contains 5 multiple choice questions. Each question has 4 choices (A), (B), (C) and (D) for its
answer, out which ONE OR MORE is/are correct.
12.        Select the correct statement (s) about the compound NO[BF4]:
           (A) Magnetic moment of the species is zero
           (B) BF bond energy is lower in this compound than in BF3
           (C) It has 5 and 2 bond
           (D) Nitrogen oxygen bond order is same as in N2
14.                 O
                                                      O
           H2 C            CH2            H3C      C    H
           Given: For ethylene oxide          Hof   and So are 51 kJ mol1 243 Jmol1K1 respectively and
           acetaldehyde. Hof and So are 166 KJmol1 and 266 Jmol1K1 respectively, then select the
           correct statements:
           (A) Ho per the reation is 115 KJmol1
           (B) So = 0.0236 KJmol1K1
           (C) Reaction is thermodynamically favourable
           (D) Low temperature can favour formation of more product.
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                                                               13         AITS-CRT-II(Paper-1)-PCM-JEE(Advanced)/14
SECTION C
0 0 0 0
This section contains 5 questions. The answer to each of the questions is a single-digit                            1   1   1   1
integer, ranging from 0 to 9. The appropriate bubbles below the respective question                                 2   2   2   2
numbers in the ORS have to be darkened. For example, if the correct answers to question                             3   3   3   3
numbers X, Y, Z and W (say) are 6, 0, 9 and 2, respectively, then the correct darkening of
                                                                                                                    4   4   4   4
bubbles will look like the as shown.
                                                                                                                    5   5   5   5
6 6 6 6
7 7 7 7
8 8 8 8
9 9 9 9
1.        AgNO3 gives white precipitate with hypo changing to black after some time, the oxidation number
          of sulphur in the black precipitate is:
2. In the structure of (Sb2F11), the total number of hybrid orbitals present per Sb atom are
The number of sp2 carbon is X are expressed as a two-digit number AB, the sum of AB is:
4.        The emf of the cell: M(s)|MnXn(0.01M)||MnXn (0.1M)/ Mcs) is found to be 0.0295V at 25C. If MnXn
          is soluble salt. Find the value of n.
5.        If the bond enthalpies of A2, AB and B2 are in the ratio. 1 : 1 : 0.5 and the enthalpy of formation of
          AB from A2 and B2 is 100 KJmol1, the bond enthalpy of A2 is 504 kJ/mole. X will be y  102
          kJ/mole, the value of y is:
                                                         Rough Work
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                                                                  14
SECTION A
This section contains 10 multiple choice questions numbered 1 to 10. Each question has 4 choices (A),
(B), (C) and (D), out of which ONLY ONE is correct.
              
1.        Let u be a vector on rectangular coordinate system with sloping angle 60. Suppose that u  i is
                                                                                       
          geometric mean of u and u  2i where i is the unit vector along xaxis then u has the value
                                                                                   3         3
          equal to a  b where a, b  N, then the value of  a  b    a  b  is
          (A) 27                                       (B) 28
          (C) 28 3                                     (D) 27 3
                                                                                        m n
2.        One of the roots of equation 2000x 6 + 100x5 + 10x3 + x  2 = 0 is of the form        , where m is
                                                                                           r
          nonzero integer, and r and n are relatively prime natural number, then the value of (m + n + r) is
          (A) 200                                           (B) 205
          (C) 195                                           (D) 190
3.        A perfectly rough plane is inclined at an angle  to the horizontal. Then the least eccentricity of an
          ellipse which can rest on the plane is
                                                                    2sin 
          (A) 2 sin                                         (B)
                                                                   1  sin 
                 2cos                                                         2sin 
          (C)                                                           (D)
                 1  sin                                                     1  cos 
                                          n            1  k  k  1  k  1 k  2  
                                                 1                                                    120
4.        If the value of limit lim
                                  x 
                                          cos
                                         k 2
                                                      
                                                                   
                                                                  k k 1    
                                                                                          is equal to
                                                                                                        k
                                                                                                            then the value of k
          is
          (A) 360                                                       (B) 700
          (C) 720                                                       (D) 240
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5.         In triangle ABC, |AB| = |AC| points D and E lie on ray BC such that                             A
           |BD| = |DC| and |BE| > |CE|. Suppose that tan EAC, tan EAD
           and tan EAB form a geometric progression, and that cot DAE,
           cot CAE and cot DAB form an arithmetic progression. If |AE| =
           10, then area of the triangle ABC is
                50
           (A)                                   (B) 5                                             B       D     C              E
                 3
                10                                              25
           (C)                                              (D)
                 3                                               3
6.         A circle C is tangent to the x and yaxis in first quadrant at the points P and Q respectively. BC
           and AD are parallel tangents to the circle with slope 1. If the points A and B are on the yaxis
           while C and D are on xaxis and area of figure ABCD is 900 2 sq. units. The radius of the circle
           is
           (A) 5 2                                            (B) 6 2
           (C) 30                                             (D) 15
                            1 1                       10    9      8 7  6    5    4   3   2
7.         Let A be matrix       then the matrix B = A  A + 2A  A + 4A  2A + 4A + A  A + A +
                            1 1
           I is
           (A) A                                           (B) A + I
           (C) I                                           (D) A  I
8.         Tangents are drawn to the incircle of ABC. Which are parallel to its sides, let p, q, r be the length
                                                                              p q r
           of the tangents opposite to a, b, c respectively, then the value of   is
                                                                              a b c
                1                                                  1
           (A)                                                 (B)
                4                                                  2
           (C) 1                                               (D) 2
9.         A vector given by A = f(t) i + g(t) j + k moves such that it is always parallel to the vector
                                                                  
           B  f "  t  i  f '  t  j  k then magnitude of A is
           (A) constant                                                 (B) a quadratic function of time
           (C) a linear function of time                                (D) a cubic function of time
                    a b c
10.        Let A  b c a such that |A| = 0. If a, b, c are distinct, then the sum of the coordinates of the
                    c a b
           fixed point through which the line ax + by + c = 0 passes is
           (A) 2                                              (B) 3
           (C) 4                                              (D) 5
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                                                                16
This section contains 5 multiple choice questions. Each question has 4 choices (A), (B), (C) and (D) for
its answer, out which ONE OR MORE is/are correct.
                                                                           x                    x
11.        If a continuous function f(x) satisfies the relation               t f  x  t  dt  t g  t  dt  sin x  cos x  x  1 for
                                                                                               
                                                                           0                   0
           all x then which of the following does not hold good?
           (A) f(0) = 1                                      (B) f(0) = 0
                                                                                 x
                                                                                                   
           (C) f(0) = 2                                              (D)        f  x  dx = e
                                                                                 0
12.        From an urn containing x white and yx black balls, n balls have been lost, then probability of
           drawing a white ball
                                  x                                           x
           (A) before the loss is                       (B) after the loss is   for n = 1
                                  y                                           y
                                   x                                                                   x
           (C) after the loss is     for n = 2                        (D) after the loss is              for n = 3
                                   y                                                                   y
                                                                                          v u  z 
13.        Let u, v, w, z be complex number such that |u| < 1, |v| = 1 and w                        then
                                                                                           uz  1
           (A) |w|  1  |z|  1                                      (B) |w|  1  |z|  1
           (C) |w|  1  |z|  1                                      (D) |w|  1  |z|  1
                                              cos2n x If x  0
                                              
14.        The function defined as f(x) = lim  n 1  x n 0  x  1 which of the following does not hold good
                                          n 
                                               1         x 1
                                              1  x n
           (A) continuous at x = 0, but discontinuous at x = 1
           (B) continuous at x = 1, but discontinuous at x = 0
           (C) continuous at both x = 1 and x = 0
           (D) discontinuous at both x = 1 and x = 0
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SECTION C
0 0 0 0
This section contains 5 questions. The answer to each of the questions is a single-digit                              1   1   1   1
integer, ranging from 0 to 9. The appropriate bubbles below the respective question                                   2   2   2   2
numbers in the ORS have to be darkened. For example, if the correct answers to question                               3   3   3   3
numbers X, Y, Z and W (say) are 6, 0, 9 and 2, respectively, then the correct darkening of
                                                                                                                      4   4   4   4
bubbles will look like the as shown.
                                                                                                                      5   5   5   5
6 6 6 6
7 7 7 7
8 8 8 8
9 9 9 9
                                  n 12
                                            1
1.        The value of lim
                           n
                                           r
                                                is _____
                                  r  n2
3.        Die A has four red faces and two white faces, die B has two red and four white faces. A fair coin
          is tossed. If it shows head, then die A is rolled thrice, otherwise die B is rolled thrice. If the first
                                                                                                           a
          two throws of die shows red face, then the probability of getting red face in third throw is         (in
                                                                                                           b
          lowest terms) then (a  1)b  3 is equal to _____
4.        The set of all points where f(x) is increasing in (a, b)  (c, ) then [a + b + c] is (where [.] denotes
                                                                   x2 
          the greatest integer function). Given that f  x   2f    f  6  x 2   x  R and f(x) > 0  x  R
                                                                   2 
          _____
5.        A circle of radius R is tangent to the hypotenuse, the incircle and one leg of an isosceles right
                                                                         a a
          angle triangle with inradius r = 1  sin . If the value of Rr       , where a is surd then (a +
                                                  8                         b
          b) is equal to _____
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