Rit 2 - 9 6 25
Rit 2 - 9 6 25
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INSTRUCTIONS
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OMR sheet before attempting the paper. Wrong CODE or no CODE will give wrong results.
A. General Instructions
1. Attempt ALL the questions. Answers have to be marked on the OMR sheets.
2. This question paper contains Three Sections.
3. Section-I is Physics, Section-II is Chemistry and Section-III is Mathematics.
4. All the section can be filled in PART-A & B of OMR.
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.
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2 IT−2026 (RIT-2)-(PCM)
S
SEEC
CTTIIO
ONN –– II :: P
PHHY
YSSIIC
CSS
(PART – A)
(One or More Than One Options Correct Type)
This section contains 3 multiple choice questions. Each question has 4 choices (A), (B), (C)
and (D), out of which ONE or MORE THAN ONE is correct.
4mg
(A) The maximum extension of the spring is
k
2mg 2m
(B) The speed of block A when extension in spring is , is 2g
k 3k
2
(C) Net acceleration of block B when the extension in the spring is maximum, is g.
3
2mg
(D) Tension in the thread for extension of in spring is mg.
k
2. A particle of mass 5 kg moving in the X-Y plane has its potential energy given by
U = ( −7x + 24y) Joule. The particle is initially at origin and has velocity u = (14.4iˆ + 4.2j)
ˆ m/s
(A) the particle has speed 25 m/s at t = 4 sec
(B) the particle has an acceleration 5 m / s2
(C) the acceleration of particle is normal to its initial velocity
(D) none of these
3. In the shown arrangement the blocks are released from rest and m
allowed to move through a distance of h. There is no friction and A
the string is light. Then
(A) total mechanical energy of the system is not conserved since
besides gravity tension also does work on each of the blocks. B m
(B) work done by tension on each block is separately zero.
(C) work done by tension on block A is positive and on block B it is negative.
(D) total mechanical energy is conserved.
Space For Rough Work
6. A force F = -k(yi + xj) acts on a particle moving in xy plane. Starting from the origin, the
particle is taken along the positive x axis to the point (a, 0) and than parallel to the y-axis to
the point (a, a). the total work done by the force F on the particle is
(A) − 2ka 2 (B) 2ka 2
(C) – ka2 (D) ka 2
8. When a body is moving vertically up with constant velocity, then match the following:
List-I List-II
(P) Work done by lifting force is (1) negative
(Q) Total work done by all the forces is (2) positive
(R) Work done by gravity (3) zero
(S) Work done by lifting force + work done by (4) Many positive values
gravity force
(5) Many negative values
m1
9. A horizontal force F pulls a ring of mass m1 such that remains F
constant with time. The ring is constrained to move along a
smooth rigid horizontal wire. A bob of mass m2 hangs from m1
by an inextensible light string. Then match the entries of List-I
with that of List-II. m2
List-I List-II
(P) F (1) (m1 + m2) g
(Q) Force acing on m2 is (2) m2g sec
(R) Tension in the string is (3) F
m2
m1 + m2
(S) Force acting on m1 by the wire is (4) (m1 + m2) g tan
(5) m1g sec
10. A man pushes a block of 30 kg along a level floor at a constant speed with a force directed
at 45° below the horizontal. If the coefficient of friction is 0.20, then match the following.
List-I List-II
(P) Work done by all forces exerted by the (1) zero
surface on the block in 20 m
(Q) Work done by the force of gravity (2) –1500 J
(R) Work done by the man on the block in (3) 750
pushing it through 10 m
(S) Net force on the block (4) 30 J
(5) 60 J
11. A chain of length and mass m lies on the surface of a smooth sphere of radius R > with
one end tied to the top of the sphere.
List-I List-II
(P) Gravitational potential energy w.r.t. centre (1) Rg
of the sphere 1 − cos R
(Q) The chain is released and slides down, its (2) 2Rg
KE when it has slid by sin R + sin − sin + R
(R) The initial tangential acceleration (3) MR2g
sin
R
(S) The radial acceleration ar (4) MR2g
sin R + sin − sin + R
(5)
Rg 1 − sin
R
(PART – B)
(Non – Negative Integer)
1. A particle of mass m is moving in a circular path of constant radius r(1m) such that it’s
centripetal acceleration ac is varying with time t as ac k 2rt 2 , where k is a constant, then
power delivered to the particle by the forces acting on it at t = 5 sec. (take mk 2 1 unit )
2. An object is displaced from point A(1m, 2m, 3m) to a point B(2m, 3m, 4m) under a constant
( )
force F = 2iˆ + 3jˆ + 4kˆ N . Find the work done by this force in this process. (in joule )
6. A block of mass 1 kg lies on a horizontal surface in a truck. The coefficient of static friction
between the block and the surface is 0.6. If the acceleration of the truck is 5 m/s 2, then what
frictional force acting on the block (in newton).
Space For Rough Work
S
SEEC
CTTIIO
ONN –– IIII :: C
CHHE
EMMIIS
STTR
RYY
(PART – A)
(One or More Than One Options Correct Type)
This section contains 3 multiple choice questions. Each question has 4 choices (A), (B), (C)
and (D), out of which ONE or MORE THAN ONE is correct.
1.
P Q
R
S
T
U
A
I.E 1 B
C
(kJ mol ) -1 D
E
F
2 3 4 5 6 7
Periods
The first ionization energies of the s-block elements are given above.
Choose the correct statements
(A) the second ionization energy of ‘B’ is higher than that of ‘Q’.
(B) the sulphate of ‘S’ is more soluble in water than that of ‘Q’.
(C) the iodide of ‘A’ is more soluble than that of ‘E’ in water.
(D) nitride of ‘Q’ has higher molar mass than that of ‘A’.
2. In which of the following option(s), the dipole moment(s) of the left side molecule(s) is/are
greater than that of the right side molecule(s)?
O
(A) Cis-XeCl2F2 and trans-XeCl2F2 (B) N and H 2O
O
Cl and Cl
(C) CH3Cl and CHCl3 (D)
Cl Cl
6. If the bond angles of MF2 = MCl2 = MBr2 = MI2 are identical and equal to 180o, which is M?
(A) Be (B) Mg (C) Ca (D) Sr
7. In the given substances carbon undergoes sp3 hybridization. The covalent bond of which
contains exactly 25% s-orbital character/
(A) CH2F2 (B) diamond (C) CF2Cl2 (D) CHCl3
Space For Rough Work
8. Match the compounds mentioned in list-I with their characteristics mentioned in list-II.
List – I List – II
(P) CO2 (1) The solid form exists as three
dimensional network solid
(Q) SO2 (2) Contains one unpaired electron on
central atom
(R) NO2 (3) Has linear structure
(S) SiO2 (4) Central atom undergoes sp2
hybridization
(5) Contains only sigma bonds
(A) P → 3; Q → 2; R → 4; S → 5 (B) P → 3; Q → 4; R → 2; S → 1
(C) P → 2; Q → 4; R → 3; S → 5 (D) P → 3; Q → 1; R → 4; S → 1
9. Match the compounds mentioned in list-I with their characteristics mentioned in list-II.
List – I List – II
(P) COH2 (1) Has the smallest bond angle formed by
only single bonds out of the four
compounds
(Q) COF2 (2) Highest dipole moment among the four
compounds
(R) COCl2 (3) The central atom bonded with second
and third period elements
(S) COBr2 (4) Contains the longest single bonds
among the four compounds
(5) In the compound the single bonds
contain maximum s-character of central
atom
(A) P → 1; Q → 3; R → 2; S → 4 (B) P → 2; Q → 1; R → 3; S → 4
(C) P → 5; Q → 2; R → 3; S → 4 (D) P → 2; Q → 3; R → 1; S → 4
Space For Rough Work
10. Match the compounds mentioned in list-I with their characteristics mentioned in list-II.
List – I List – II
(Compound) (Reaction with H2O)
(P) Mg3N2 (1) A volatile acidic gas is produced
(Q) KO2 (2) A basic gas is produced
(R) BeCl2 (3) A neutral homonuclear gas is produced
(S) CaC2 (4) A gas with molar mass 26 g mol–1 is
produced
(5) A gas with molar mass 28 g mol–1 is
produced
(A) P → 3; Q → 2; R → 1; S → 5 (B) P → 2; Q → 1; R → 3; S → 4
(C) P → 3; Q → 2; R → 5; S → 1 (D) P → 2; Q → 3; R → 1; S → 4
11. Match the homonuclear diatomic molecules mentioned in list-I with their characteristics
mentioned in list-II.
List – I List – II
(Compound) (Reaction with H2O)
(P) N2 (1) Bond order = 0.5
(Q) O2 (2) Lowest energy differences between
HOMO and LUMO
(R) F2 (3) Loss of electrons from ground state
increases stability
(S) Be+ (4) Loss of electrons from ground state
2
decreases stability
(5) Paramagnetic in ground state
(A) P → 4; Q → 3; R → 5; S → 1 (B) P → 4; Q → 2; R → 3; S → 1
(C) P → 3; Q → 4; R → 2; S → 1 (D) P → 4; Q → 3; R → 2; S → 1
(PART – B)
(Non – Negative Integer)
2. AB is a covalent compound. The A – B bond length is 2.3 pm and the covalent radius of A is
1.4 pm. The electronegative difference between A and B is 0.1. If the covalent radius of B in
pm unit is x, what is the value of 10x?
Space For Rough Work
3. X+ is the simplest group-1 cation which forms stable complex with 12 crown 4 ether.
If a = Atomic number of X
b = Coordination number of X
What is the value of (a + b)?
5. In interstitial hydrides of some 3d-transition series elements, the interaction takes place
between H2 molecules and metal atoms. The H2 molecules can gain and donate electrons by
the overlap of 1s and 1s
*
molecular orbitals with the metal d-orbitals
If x = Number of electrons donated by one H2 molecule.
and y = Number of electrons are gained by one H2 molecule
What is the value of (x + y)?
o
6. The bond length of B – F bond in BF3 is assumed to be 0.4 A . If the longest distance
( )
o
between any two fluorine atoms in the molecule is expressed as y 3 A , what is the value
of 10 y?
Space For Rough Work
S
SEEC
CTTIIO
ONN –– IIIIII:: M
MAAT
THHE
EMMA
ATTIIC
CSS
(PART – A)
(One or More Than One Options Correct Type)
This section contains 3 multiple choice questions. Each question has 4 choices (A), (B), (C)
and (D), out of which ONE or MORE THAN ONE is correct.
1. If a, b, c are real numbers such that a2 + 4b2 − c 2 + 4ab = 0 , then the distance between any
two lines in the family of lines ax + by + c = 0 can be
(A) 2 (B) 13
(C) 8 (D) 4
3. Let L 1 be a straight line passing through the origin and L 2 be the straight line x + y = 1 . If the
intercepts made by the circle x2 + y2 − x + 3y = 0 on L 1 and L 2 are equal, then which of the
following equations can represent L 1
(A) x + y = 0 (B) x − y = 0
(C) x + 7y = 0 (D) x − 7y = 0
4. A light ray emerging from the point source placed at P(2, 3) is reflected at a point Q on the
y – axis and then passes through the point R(5, 10). Coordinate of Q is:
(A) (0, 3) (B) (0, 2)
(C) (0, 5) (D) None of these
5. The equation of the circle passing through the point of intersection of the circles
x2 + y2 – 6x + 2y + 4 = 0 and x2 + y2 + 2x – 6y - 6 = 0 and having its centre on y = 0 is
(A) 2x2 + 2y2 – 8x + 3 = 0 (B 3x2 + 3y2 – 6x + 2y = 0
2 2
(C) x + y – 8x – y – 12 = 0 (D) none of these
Space For Rough Work
7. Let P be the point (–3, 0) and Q be a moving point (0, 3t). Let PQ be trisected at R so that R
is nearer to Q. RN is drawn perpendicular to PQ meeting the x-axis at N. The locus of the
midpoint of RN is
(A) (x + 3)2 –3y = 0 (B) (y + 3)2 –3x = 0
2
(C) x –y = 1 (D) y2 –x = 1
(Q) The value of k for which the lines 2x–ky+3=0, 4x+y+5=0 (2)
cut axes in concyclic points is 5
(R) The value of k so that length of tangent from origin to the (3)
circle x2+y2–2x–4y–k=0 is 2 units is –4
(5) 0
(A) P→ (3); Q → (4) ; R→(3); S→(1)
(B) P→ (3); Q → (2) ; R→(5); S→(4)
(C) P→ (2); Q → (1) ; R→(4); S→(5)
(D) P→ (2); Q → (1) ; R→(1); S→(3)
10. Match each entry in List – I to the correct entries in List – II.
List – I List – II
(P) If a circle passes through the points of intersection of the (1) 0
lines
2x – y + 1 = 0 and x − y − 3 = 0 with the coordinate axes,
then is
(Q) A circle circumscribes a triangle whose sides are given (2) 1
by the joint equation (x + y − 4)(xy − 2x − y + 2) = 0 . The
diameter of the circle is equal to
(R) The number of points on the circle 2x2 + 2y2 – 3x = 0, (3) 2
which are at a distance 2 unit from the point (-2, 1) is
equal to
(S) If the angle between the tangents drawn from the origin (4) 2
2
to the circle (x − 7)2 + (y + 1)2 = 25 is , then k is
k
(5) 4
(A) P→ (3); Q → (4) ; R→(3); S→(4)
(B) P→ (3); Q → (2) ; R→(5); S→(4)
(C) P→ (2); Q → (1) ; R→(4); S→(5)
(D) P→ (4); Q → (3) ; R→(1); S→(5)
Space For Rough Work
11. Match each entry in List – I to the correct entries in List – II.
Let C1 and C2 be 2 circles whose equations are x 2 + y 2 − 2x = 0 and x 2 + y 2 + 2x = 0
respectively. P ( , ) is a variable point
List – I List – II
(P) P lies inside C1 but outside C2 (1) ( −, − 1) (0, )
(PART – B)
(Non – Negative Integer)
2. If the straight lines ax + by + p = 0 and x cos + y sin = p are inclined at an angle and
4
concurrent with the straight line x sin − y cos = 0 , then a2 + b2 is :
3x − 4y + 8 = 0 at Q, then PQ is
6. Two circles in the first quadrant of radii r1 and r2 touch the coordinate axes. Each of them
cuts off an intercept of 2 units with the line x + y = 2 . Then r12 + r22 − r1r2 is equal to
Chemistry
PART – A
1. ACD 2. ABCD 3. AB 4. A
5. A 6. A 7. B 8. B
9. B 10. D 11. D
PART – B
1. 3 2. 18 3. 7 4. 17
5. 4 6. 4
Mathematics
PART – A
1. ABCD 2. AD 3. BC 4. C
5. A 6. C 7. D 8. C
9. A 10. D 11. C
PART – B
1. 3 2. 2 3. 8 4. 6
5. 4 6. 7