1
2
3
Physics
Ous-1-Two l oninated Point oyect O and O2
O pla ce at a di'stan ce 4 CM . each
Aon
otten odong H Pin cipa a i of a {Li'n
Convex n d of focal Suchn
a
lngth Cm
+at ge Of the both o ects n foma
at tk dist
am posittoh he
-
e
te JNe Ipec t r e
ance of +Rlnd Eom
(A) 1 and 12
OO and OEin Cm) au
(B) 12 and
( ) 1 4 and Lo (O) L6 and
y-2-lcoo 6lock A an 6 Ih Contelt
each o n and ane laced n a tnic tronles
hanigon ta l d1face A for cce arrlre2
Neajontally on 8lock A ( 4 : t t a ti'on - 1 ) Gnd la AanmA
fconce apli ed hnizom tally on Block G Cituation D
m a 0f A 2o an d B i Lo kg ehen
C nnict statema h t
9oN
in 6on ttvati
in
l l 6e 90 A
(Afance by A On
3oN Si toaon Z
-
an d
CL orce by 6 loek A on
A GoN Ci tua ron )
ferce 6 y 6 l o c k &
on
terce
and e on A
6oN Csituaron-
CCf n
will Pao h a c e aece / e a a o n Of
CD TRe go n Ce
h A
ih A a
ann od
magnrlwJy
ditfene nt
dos ne d
Od3+Tn th adJoining C n cur
Lat acnoLs Rs kov ld be
vo(tcg
en value of Shoul e
CC)LGn CD) LoA
s 44 Tn th adja Cent cta crt he vol tager
anosS AD, Bo an d 0 n 2 V and
8 noye Caiv
ey Tf tances KA LkA Ken he values
O erislan ce R an a Re
a nd 6 KA A - A
(6) 2 K and kA
On o k
atteny D
in S o f F i c i e n t
ad Pa tfY
Ca Decta
not Sten
ta es id
enatwru
SCale of emp
COy-5> A ne w n e an
6 desighud ZE Calle
hea e ment to 6 e
e
a z S c a l e on cWhrcA he ezin2 and 6 o)
i
nRVoz
and220 Z NApec irely
Points of uo aten
Chaf il6e th
emperatau Jhowh oa
the
tenpenat une
z ' scale Cans ton Ahg
Loc m tR Ce/siu SCale ?
Ca) 1 o Z Cb) do Z
Cd) Go z
Cur / t u e
Con re e
o tanee C obec
Then ha tha distance
thy mimn y
the Foc
J om
6 F
-y
- 7 T
Ou-7-7hnee iden tical 6loc k Of
ane anawn 6 y a fonce Cwith an atce lon.
-a tion o F o.6 m / 2 on honigon tal o i e ion les
Sunface. Chet s h tension Cin N) in the
tning Ge tuween th bloc ks 3 a n o C 7
(a) 9 2 C6 L. 2 CC)
s-8- Cyaten flo w i n thnog h a honijon t a l
tbe of on-ontconm Se t e o n 7E a
Place he nadus the tube
an d tKa velociy of coa
Cill 6e he veloci Ocoten Chen h e a d y
of
o f tK
pipe i C?
CO 5 m/s Cb
mls A
L - 9 An ele ctnic genenat Consum es o m e oil
foel and geneate output of k, Cala'AC
Va lue hecet e l e d ) of the oifvel u
a20 o Cel k and efAcien Cy of tka genenatan
OU TRon m a Of the fuel ConsOme d
Pen houn
Aoun and electiic enengy I e n e i c t ed pen
ton of fuel bunnea NespeCt/ve/y.
, S o o o kwh Cd 5 g, 2 o
Oy-o-A Sc hool i ocat od oetaree n cli tfc
hen the e la oal Atnuck by schoal atendart,
finst echo aanod bY
by him aften and
fon him a Ha
Secon echo follow afln 9. o
neaM tha bell. If v e louty of
Sam
Same Positron
34o m / a AKe tc m/eratrar of
Sound in an
th urnounal ng, then olilance betwe en the
clitf arfno { ma te ly.
(a) O' 4 3 e km
CC) . 1 6 km Cd 4 km
Oy- mag o 6 fain ed On CCee n kesing
byect at 9Cn an d o C
an
Con a n e mima apz in e foymen
laten
Ce is fo wn Lim e 69sen a n in t
OF mimG mu t
focal ngta
Ch (6 o Cmn CC CM d ) 36 Cm
Ous-12n tle adjacent CnCU1t cJhe Cmunt
Flowinz fom A/ to k ?
3o
A o
MM
M
A M M
3o
(3) LA
(2) A
Ca) 3A
COu3-A Spsing Of fconce ConstantBooNIm hey
an e t ensio Of 5 Cm 7h C n
do ne in
erten odin t Lom 5 Cm 15 C
Ca) L6J C) 3 T
COs 44A Can
nUnnihg C th Veloci ty OF
So m// mrd Uay be t een
vertical enalle l cwall G 36em
eperoA Cd
Chen the odnivenJo un dys
ome nt.
S/e ed of SoUnd1n an 33o mL.
Pften6lowih m th hhrt thmee echoey
Cill e ken o 6y the dni nes/e c rrel at
C6 4S 3.0
O S
OLd-LA Stona n offe d tao 6allon
m
gonz
On f oam locry of 5 m 1s. z f
ballon high Jhen Atone
w dntped find
tene hit4 tho a Oun d S = Lo m ls
Ca) 4o m
63 Sm ( eo m
CCy
O162Tawo f1iy Aand u o lvey
E in C o n Cen tai C culen Path
ligh twice of
Nad'uy f Cincolaa Pcth o f
a unito7 ine an
Sfe ed
crtA
. tnavely
taa
e bes
hree cl
Cuke n Wov' d hale Com e ted
Noun ds ten8
Noun d
5 Aoun ds (
Ca)
3-S Noun d (dl
CC
Mcone thon Ohe Ccnne ct of tion >
COd-19-which oftha followin2 A(tuatíons not
/o4si blee
Ca) An oje cct Can have aCce/enatbn buE Con stan é
Velocrty
6) Te velocty of an oby e Ce may be ZNe 6ut
aCce leaton y not Zeno
CC) Distan ce an d he m
agnituda of 1 pla Cement
One egual in C i n c olar motron
CoL) Avenage Se ed an the magnitoda oF avenag
Velocty e alway eual in cinculan m otson
B-Zf 6o oy
Lhaveling along
lin e cotkout
a
AtnaighAt
Chang ing olne l'nection of motton
tLan
Ca) Speed lvelo ci'tyl C6 D.sance = Dis pla cem en t]
Avenage SPe ed =aveage velocal (d) Syeel |velo
s /9-7he magntudes Of tK Jnavitatronal freld at
olistan ces and l hom te centne of a onifanm
Phare Of nadiud R ano mos M ane t2 and f2,then
CtL =
9 f J<R and <R
f
CC
2 and
N R Az<R2
CO-o When the be tween tuwo 9lay /enfe
Sp cuCe
tth waten
Com bina fron is fr/le d o
Ao wh in fig unes
C) focal de Cnsase
C6) Powa
Col
fowen
focal
eng th
de Cne a
leng tk
sed
n Caeaass
D
PhysicS Answen key)
(1) B () B (3) A (4) B (S) D
(6 C) () 8 (3) C (9) C (lo)
L) B ) c (13) B (14) B ( C
16) D 18) n,e, C (19) A
(1+) A, C, D
(20) , D
Chemity (Ansus en key)
C5) C
(3) A (4 D
)e
(9) D
D
(B) C,
(4) A, C, D
(6) B
A, D
o) A (1 L)
