Zeni Thtutori ALS: Practi Cequesti ONS
Zeni Thtutori ALS: Practi Cequesti ONS
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PRACTI
CEQUESTI
ONS
1.Whi
choft
hefol
lowingi
snotaphy
sicalquant
it
y?(
a)Kel
vi
n(b)Candel
a(c)Henr
y
(
d)Al
loft
heabove
Answer
:C
2.Whichoft
hef
oll
owi
ngi
sader
iveduni
t?(
a)Amper
e(b)mol
e(c)candel
a(d)
newton
Answer
:D
3.Rad/secistheunitof(a)angul
ardi
spl
acement(
b)angul
arv
eloci
ty(
c)angul
ar
accel
erat
ion(d)angul
armomentum
Answer
:B
4.Whichwouldfal
lwi
thgreat
eraccel
erat
ioni
navacuum –aleaforast
one:(a)the
l
eaf(b)thest
one(c)theywouldaccel
erat
eatthesamerate(d)i
tisdi
ffi
cultto
det
erminewit
houtmoreinf
ormati
on
Answer
:C
5.Speedis(a)ameasureofhowfastsomet
hingi
smovi
ng(
b)al
waysmeasur
edin
ter
msofauni tofdi
stancedi
vi
dedbyaunitofti
me(
c)al
loft
heabov
e(d)none
oftheabove
Answer
:D
6.Asanobjectfal
l
sfr
eel
yinav acuum,it
s(a)vel
oci
tyi
ncr
eases(
b)accel
erat
ion
i
ncr
eases(c)bot
hAandB(d)noneoftheabov
e
Answer
:A
7.Aballisthrownupwardsandcaughtwhenitcomesbackdown.Intheabsence
ofairresi
stance,t
hespeedoftheballwhencaughtwouldbe(a)l
essthanthe
speedithadwhent hr
ownupwar ds(
b)mor et
hanthespeedithadwhenthr
own
upwards(c)thesameasspeedithadwhenthr
ownupwar ds
Answer
:C
8.Supposeanobj
ecti
sinf
reef
all
.Eachsecondt
heobj
ectf
all
s(a)t
hesame
dist
anceasinthesecondbefore(b)al
argerdistancet
haninthesecondbef
ore
(c)wit
hthesameinstant
aneousspeed(
d)wi t
ht hesameaveragespeed(
e)none
oftheabove
Answer
:A
9.Aballi
stossedver
ti
cal
lyupwardsri
ses,r
eachesit
shighestpoint
,andthenfal
ls
backtoi
tsstar
ti
ngpoi
nt.Dur
ingthi
sti
me,theaccel
erat
ionoftheballi
salways(a)
i
nt hedir
ecti
onofmotion(b)oppositei
tsv el
oci
ty(c)dir
ecteddownwar d(d)
di
rect
edforward
Answer
:A
10.
Supposeyoutakeatr
ipt
hatcover
s180km antakes3hr
stomake,y ouraver
age
speedis(
a)30km/hr(
b)60km/hr(
c)180km/hr(
d)360km/hr(
e)549km/ hr
Answer
:B
11.
Supposeacari smov i
nginast raightli
neandst eadi
l
yincreasesit
sspeed.It
movesfrom 35km/hrto40km/hrthef i
rstsecond,
andfrom 40km/hrto45km/hr
thenextsecond,whatisthecar’
saccel erat
ion?(
a)5km/hr.s(b)10km/hr.
s(c)
35km/hr.
s(d)40km/hr.
s(e)45km/ hr.
s
Answer
:A
12.
Aballi
sthrownstr
aightup.Atthet
opofitspathi
tsinst
antaneousspeedi
s(a)
0m/s(b)About5m/s(c)about10m/
s(d)about20m/s(e)about50m/s
Answer
:A
13.
Aballi
sthr
ownst rai
ghtup.
.att het
opofitspath,i
tsacceler
ati
onis( s2(
a)0m/ b)
2 2 2 2
about5m/s( c)about10m/s( d)about20m/s( e)about50m/s
Answer
:C
14.
Acaraccelerateat2m/ s2.Assumingthecarstart
sf r
om rest
,how muchtime
doesitneedtoaccelerat
et oaspeedof20m/s?( a)2seconds(
b)10seconds(c)
20seconds(d)40seconds(e)noneoftheabove
Answer
:B
15.
Thepai
rofquanti
ti
eswhichhav
ethesamedi
mensionalf
ormul
ais(a)i
mpul
se&
vel
oci
ty(b)f
orce&weight(c)i
mpul
se&iner
ti
a(d)angularmomentum &l
i
near
momentum
Answer
:B
16.
IfRisresi
stanceanLisinduct
ance,thenthedimensionofR/Lwi l
lbet
hesame
asthedimensionof(
a)ti
me( b)speed(c)f
requency(d)accel
erat
ion
Answer
:C
a c
17.
IfM LbT isthe di
mensi
onalfor
mula ofel
ect
ri
c power
,fi
nd t
he v
alue of
5a+2b- 6c(
a)25(b)27(
c)30(d)–9
Answer
:B
18.
The di mensi
onalf or
mula coef
fi
cientofki
nemat
icv
iscosi
tyi
s(a)M0L2T-1 (
b)
1 2 -
1 1 2 -
3 0 3 -
1
M LT ( c)M LT ( d)M LT
Answer
:A
19.
Whichoft hef
oll
owi
ngi
snotauni
tofener
gy?(
a)j
oul
e(b)Nm (
c)wat
ts(
d)
Kgm2sec-2
Answer
:C
20.
Dimensi onalf
ormul
aofl
atentheati
s(a)M1L1T-2 ( c)M1L2T-1 (
b)M0L2T-2 ( d)
M0L2T-2
Answer
:B
21.
Whichofthefol
l
owingisdi
mensi
onal
l
yacor
rectf
ormul
a?(
a)V=ut+at(
b)
V
V-u=at(c) =at(d)Vt=u-
a
u
Answer
:B
22.
Which oft he f
oll
owi
ng has no unit
s? (
a)ther
malcapacit
y(b)magnet
ic
suscept
ibi
l
ity(
c)angul
araccel
erat
ion(
d)momentofamagnet
Answer
:B
23.
Whi
choft hefoll
owi
nguni
tsi
saf
undament
aluni
t?(
a)wat
t(b)j
oul
e/sec(
c)
amper
e(d)newton
Answer
:C
24.
1KWHi
sauni
tof(
a)t
ime(
b)power(
c)ener
gy(
d)st
ress
Answer
:C
25.
Whi
chofthef
oll
owingisapai
rofsupplement
aryfundamentalquanti
ti
es?(
a)
mol
e&radi
an(
b)candel
a&meter(
c)second&kelv
in(d)radi
an&steradi
ans
Answer
:D
a c x y z
26.
If M LbT ist he di
mensi
onalfor
mula of moment
um,and M LT isthe
dimensionalf
ormul
aofenergy
,fi
ndthev
alueofax+by-cz(
a)5(
b)–1(c)2(
d)
7
Answer
:A
27.
Whichofthefol
l
owingi
stheuni
tofener
gy?(
a)newt
on(
b)N/
sec(
c)N–sec(
d)
noneoftheabove
Answer
:D
28.
Whichoft
hef
oll
owi
ngi
snotauni
tofpower
?(a)wat
t(b)j
oul
e/hr(
c)nm/
sec(
d)
n/sec
Answer
:D
29.
Thephysicalquant
it
yhav
ingtheuni
tofmassi
s(a)densi
ty(
b)moment
um (
c)
iner
ti
a(d)momentofaforce
Answer
:C
NB:Theoryofphysi
cst
eachest
hati
ner
ti
aisv
erysi
mil
art
omass….Howev
er,t
heyar
e
ni
texact
lythesame
30.
Thef undamentalunitwhi
chiscommoni
nF.
P.S.andM.
K.S.sy
stemsi
s(a)f
oot
(b)second(c)kil
ogram (
d)pound
Answer
:B
31.
Whichofthef
oll
owi
ngi
suni
tofl
engt
h?(
a)l
unarmont
h(b)candel
a(c)kel
vi
n(d)
li
ghtyear
Answer
:D
NB:Iti
swrongt
ochooseLunarMonth…Lunarmont
hisequi
val
entto4ful
lweeksOR
Lunarmont
hist
hedur
ati
on/
inter
val
betweenaNewMoonandthenextNewMoon
32.
Bolt
zman’
sconstantandPlank’
sconstantdi
ff
erinthedi
mensi
onsof(a)ti
me
andtemper
atur
e( b)massandtemperatur
e(c)lengt
handmass(d)l
engt
hand
ti
me
Answer
:A
33.
Magneti
cinducti
onandmagneti
cfl
uxdi
ff
eri
nthedi
mensi
onsof(
a)t
ime(
b)
mass(c)el
ectr
iccur
rent(
d)l
engt
h
Answer
:D
34.
Kgm/ secistheunitof( a)i
mpul
se(
b)angul
araccel
erat
ion(
c)capaci
tyof
condenser(
d)accel
erat
ion
Answer
:A
35.
Candel
aistheuni
tof(
a)magnet
icf
lux(
b)i
ntensi
tyofel
ect
ri
cfi
eld(
c)l
umi
nous
int
ensi
ty(
d)char
ge
Answer
:C
36.
Whichoft
hef ol
l
owi
ngisacommonuni tofaphy si
calquant
it
yinM.
K.S.andS.
I.
syst
ems?(a)amper
e(b)kel
vi
n(c)mol
e(d)joul
e/sec
Answer
:NoAnswer
37.
Af orceof5Next
endsaspri
ngofnaturall
engt
h0.5m by0.1m.Whatwil
lbet he
extensionoft
hespr
ingwhentheappl
iedfor
ceis20N?(a)0.1m (
b)0.
4m (c)0.2
(d)0.3m
Answer
:B
38.
Astheextensi
oninastr
ingincreasef
rom 100Nto180N,t
hestri
ngext
endsby
10cm.Thewor kdonei
ncreasi
ngt het
ensi
oninthest
ri
ngis(a)40J(
b)0.4J(
c)
4J(d)0.
04J
Answer
:C
39.
Twomolesofani dealgasar ecompressedslowl yandisother
mallyfr
om a
3 3 0
vol
umeof72m t o18m atthetemperatureof60C.Cal cul
atehow muchwork
done(
R=8.31J/molK)(
a)-7672.39J(
b)-2685.
40J( c)8257.
31J(d)2178.
7J
Answer
:A
40.
Rad/secistheuni tof(
a)angulardi
stance(
b)angul
arf
requency(
c)angul
ar
accel
erat
ion(d)angul
armomentum
Answer
:B
41.
Candel
aistheuni
tof(a)l
umi
nousf
lux(
b)l
umi
nousar
ea(
c)l
umi
nousi
ntensi
ty
(d)l
uminousi
l
lumi
nat
ion
Answer
:C
42.
Asatel
li
teisi
napar ki
ngor
biti
fit
speri
odis(a)lessthantheper
iodoftheeart
h
(b)morethantheperi
odoftheeart
h(c)equalt
ot heperi
odoftheeart
h( d)t
he
squar
eoftheperi
od
Answer
:C
43.
Whi chofthef ol
l
owingisincorr
ect
?( a)crystal
l
inesol
i
dshavedefi
nit
emelt
ing
points(b)glassisanexampl eofacr ystal
li
nesoli
d(c)amor
phoussoli
dsare
insolubl
e(d)amorphoussol
idsareanhydrous
Answer
:B
44.
A speedomet
ermeasur
esthe____inyourcar(
a)i
nst
ant
aneousv
eloci
ty(
b)
accel
erat
ion(
c)t
ime(
d)aver
agev
eloci
ty
Answer
:D
45.
Agunofmass10kgr
el etofmass20gataspeedof100ms-1.Fi
easedabul
l nd
t
hegun’
sspeedofr
ecoi
l
?(a)20m/
s(b)200m/
s(c)2m/
s(d)0.
2m/
s
Answer
:D
46.
Theuni
tofangul
arf
requencyi
s( s2(
a)Rad/ b)Rad/
s(c)m/
s(d)Rad
Answer
:B
47.
Theki
ndofcol
li
sionwhereenergyisnotconserv
edi scall
ed____
__(a)i
nel
ast
ic
col
l
isi
on(
b)ki
neti
ccoll
i
sion(c)potent
ial
col
li
sion(d)elast
iccol
l
isi
on
Answer
:A
48.
Thet y
peofvibrat
ionexper
iencedbyanobjectf
rom exter
nalacti
onsoni
scall
ed
(a)natur
alv
ibrati
ons(b)sinusoi
dalvi
brat
ions(
c)forcedv i
brat
ions(
d)damped
vibr
ati
ons
Answer
:C
49.
Theproper
tyofmetalthatmakesitsui
tabl
eforcooki
ngis(a)goodconduct
ion
ofheat(
b)radi
ati
onofheat(c)conv
ecti
on(d)absor
pti
onofheat
Answer
:A
50.
Av er
ti
calspr
ingfi
xedatoneendhasanext onof4cm andamassof2kg
ensi
att
achedatoneendoft hespr
ing.Cal
cul
atet
hespri
ngconst
ant(
a)500N/
m(b)
5000N/m(c)0.5N/
m( d)50N/m
Answer
:A
51.
Thef undament
alquant
it
yinM.
K.S.andC.
G.S.i
s(a)kel
vi
n(b)ki
l
ogr
am (
c)met
re
(d)second
Answer
:D
52.
Themaxi mum di
stancei
nSHM i
s(a)ampl
i
tude(
b)per
iod(
c)di
stance(
d)
frequency
Answer
:A
53.
Thepr essur
eofagassuppor
ts0.
7m ofM ofrel
ati
vedensi
ty13.3.Theheightof
awat ercolumnwhicht
hegaswillsuppor
tis(a)19.
0m (b)9.3m (c)1.9m (d)
0.7m
Answer
:B
54.
Momentum i
s__
___
__quant
it
y(a)v
ect
or(
b)scal
ar(
c)di
mensi
onl
ess(
d)noneof
theabov
e
Answer
:A
55.
Uni
tofi
mpul
si
vef
orcei
s( m2(
a)N/ b)N/
m(c)Kgm/
s( s2
d)Kgm/
Answer
:C
56.
Whenacar ’
sveloci
tyi
spositi
veanditsacceler
ati
onisnegat
ive,whati
sthestate
ofthecar?(a)thecarslowsdown( b)thecartravel
satconstantspeed(c)the
carspeedsup(d)thespeedofthecarequalszero
Answer
:A
57.
Thefundamentaluni
twhichiscommoni
nF.
P.S.andM.
K.S.sy
stem i
s(a)f
oot(
b)
second(c)ki
l
ogram (d)pound
Answer
:B
58.
Anelast
icstri
ngoflengt
hXi sclassi
fi
abl
ystret
chedt
hroughalengt
hebyaf or
ce
F,theareaoft hecrosssecti
onoft hestri
ngisAandi tsyoungmodulusisE
EAe EXe Xe
whichoft hef
ollowi
ngexpressi
oni scor
rect
?(a)F= (
b)F= (c)F=
X A EA
2
XE
(d)F=
Ae
Answer
:A
59.
How longdoesitt
akea800W heatert
orai
set
hetemperat
ureof2kgofwat
er
from 200Ct
o600C(S.
H.C.ofwat
er=4200J/
KgK)(
a)4200s(b)420s(
c)42s(
d)
4.2s
Answer
:B
60.
Whichofthefoll
owingisnotaphy
sicalquant
it
y?(
a)Henr
y(b)Coul
omb(
c)
Kel
vin(
d)al
loftheabove
Answer
:A
61.
AnobjectmovingwithSHM off
requency20Hz.Cal
cul
atet
heper
iodT(
a)5.
0s(
b)
0.05s(
c)0.005s(d)0.5s
Answer
:B
62.
Theperiodofvi
brat
ionofwav
elengt
h300m andv
eloci
ty300m/
sis?(
a)2s(
b)1s
(c)900s(d)60s
Answer
:B
63.
Metal
sareidealascooki
ngutensi
l
sbecause( a)poorradiat
ionofheat(
b)low
speci
fi
cheatcapaci
ty(c)hi
ghcoeffi
cientofexpansi
on( d)goodconduct
orof
heat
Answer
:D
64.
Calculat
etheworkdonewhenf
orcei
s20Nst
ret
chesaspr
ingof50mm (
a)2.
0J
(b)0.5J(c)2.
5J(
d)1.5J
Answer
:B
65.
Whichofthefol
lowi
nghasthehi
ghestv
iscosi
tyatr
oom t
emper
atur
e?(
a)pal
m
oil
(b)al
cohol
(c)ker
osene(
d)wat
er
Answer
:A
66.
Aballi
sthrownstrai
ghtup.Atthet
opofitspath,
itsaccel
erat
ioni
s( s2(
a)0m/ b)
about5m/s2(c)about10m/s2(
d)about20m/s2
Answer
:C
67.
Theforcewhichactsoppositeindi
rect
iontot
hef
orceatt
hecent
rei
s(a)
cent
ri
petal
(b)cent
ri
fugal
(c)f
ri
cti
onal
(d)push
Answer
:B
68.
Fortwoperpendi
cularvect
ors,t
heangl
ebet
weent
hem i
s(a)0degr
ee(
b)45
degr
ee(c)90degree(d)180degree
Answer
:C
69.
Fort
wopar
all
elv
ector
s,theangl
ebet
weent
hem i
s(a)0degr
ee(
b)45degr
ee(
c)
90degr
ee(
d)180degree
Answer
:A
70.
Atwhatanglei
stheresul
tantoft
wov
ect
orsmi
nimum (
a)0degr
ee(
b)90degr
ee
(c)180degr
ee(d)45degree
Answer
:C
71.
The area undera v el
ocity
-ti
me graph is(a)av er
age speed (
b)av
erage
accel
erat
ion(c)av
eragedispl
acement(d)uni
for
m speed
Answer
:C
72.
Thetendencyofanobjectinacurv
edpathf
lyawayfr
om centr
eofcurvat
ureis
due t
ol ackof( a)centr
il
ugalfor
ce (
b)cent
ri
pet
alfor
ce (c)cent
ri
fugal(d)
cent
if
ugalfor
ce
Answer
:B