mcqs physics.docx

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October 2015Physics



1. The unchanged or constant speed is termed as

A. instantaneous speed

B. average speed

C. uniform speed

D. variable speed

2. The total distance covered in total time taken is termed as

A. instantaneous speed

B. average speed

C. uniform speed

D. variable speed

3. Volume is a

A. !calar "uantit#

B. Vector "uantit#

C. Base "uantit#

D. Derived "uantit#

$. A train travelling at an average speed of %& km'hr comes to a complete stop in 2&

minutes( time. )hat is its deceleration*

A. +3 km'hr 2B. +1,& km'hr 2C. 3 km'hr 2D. 1,& km'hr 2



-. A vehicle travelling at $& m's accelerates uniforml# at for 2& seconds.

)hat is its final speed*

A. %& m'sB. 1&& m's

C. +1&& m'sD. 1$& m's

%. A racing car accelerates uniforml# through three gear changes ith the folloing

average speeds

/. for 2.& s//. for 2.& s///. for %.& s

)hat is its average speed*

A. 12 ms+1

B. 13 ms+1

C. $,ms+1

D. $& ms+1

0. Acceleration is

A.

B.

C.

D.

,. )h# does an obect falling in the arth(s gravitational field reach a stead#

velocit#*

A. The eight of the obect increases as it fallsB. Air resistance increases ith the increase of velocit#C. The mass of the obect remains constantD. The arth(s gravitational field decreases as it falls



9. )hen to forces are combined the si4e of the resultant depends on the angle

beteen the to forces. Which of the following cannot be the magnitude of

the resultant when forces of magnitude 2 N and 5 N are combined?

A. 0 5

B. 25C. 3.- 5D. , 5

1&.)hich of the folloing cannot be the magnitude of the resultant force hen a

force of % 5 and a force of , 5 act on an obect*

A. 12B. 1-C. %D. 2

11.)hich of the folloing is in neutral e"uilibrium*

A. A pencil balanced on its sharp tipB. A heav# eight suspended on a stringC. A heav# based table lampD. A cone resting on a slant edge

12.6ere is a tension force 7 in the chain. )hat is the moment of the force 7 about

the pivot 8*

A.B.C.D.

79d

13. A bo# ho eighs -& 5 runs up a flight of stairs %.- m high in 0 seconds.

6o much poer does he develop*

A. )

B. )

C. )

D. )



Power is calculated using p=w/t = f*d/t

1$. /nertia is the resistance of a obect to an# change in its state of motion including

a change in direction. )hich propert# is a measure of the bod#(s inertia*

A. :assB. VolumeC. )eightD. Densit#

1-.A bo; < full of large granite rocks is eighed. An identical bo; = full of small

granite chippings is then eighed.

)hich bo; eighs more and h#*

A. < > Densit# of a chipping is less than a rock

B. < > There is more air in bo; <C. = > There is less air in bo; =D. = > Densit# of a chipping is greater than a rock

1%. A car is driven along a level road. The total energ# input from the petrol is %& k?

and the car astes $- k? of energ#.

)hat is the efficienc# of the car*

A. 1- @

B. 2- @C. $- @D. 0- @

10./f the pressure e;erted on a floor b# a bo; is 2&& k8a find the eight of the bo;

given that the bottom of the bo; has a contact area of 2& .



A. $&& 5B. %&& 5C. 3&& 5

D. 3&&& 5

1,. )hich graph shos the relationship beteen the pressure and volume of a fi;ed

mass of gas at constant temperature*

A. DB. BC. AD. C

1.. 7ind the pressure e;erted on a person b# a fe metal blocks of total mass $2

kg. The area of contact is ,$& .

A.B.C.D.

2&. )hich of the folloing does not affect the pressure beneath the surface of a

li"uid*

A. area of the li"uid surfaceB. depth of the li"uidC. densit# of the li"uidD. strength of the gravitational field

21.A bic#cle as travelling at hen it applied its brakes and decelerated at

a rate of 5 m/s-2.

a 6o long ill it take before it comes to a stop*

b 6o far ill it travel before stopping*



A. - s $& m

B. - s 2& m

C. $ s $& m

D. $ s 2& m

22. The diagrams sho to the same scale the vertical sections of a set of circular

vessels each containing the same depth of ater.

)hich one of the folloing statements is correct*

A. The ater e;erts the same pressure on the base of each vessel.

B. The ater e;erts the greatest pressure on the base of vessel 8.

C. The ater e;erts the same force on the base of each vessel.

D. The ater e;erts the greatest pressure on the base of vessel !.

23./n a laborator# on arth e;periments sho that an obect has a mass of 2 kg and

a eight of 2& 5. The same e;periments are then brought to the :oon here

the gravitational field strength is less than on the arth.

Are the mass and eight of the obect the same or less than before*

A. less mass same eight

B. same mass same eight

C. ess mass less eight



D. same mass less eight

2$.The diagram shos a material ith dimensions - cm 9 $ cm 9 2 cm. /t has a mass

of 1&&g.

)hat is the densit# of the material*

A. &.$&B. -.&

C. 1&D. 2.-8Em'vE1&&&'-9$92

2-. )hich diagram correctl# shos the addition of a $ 5 and a 3 5 force*

• B

• A



• C

• D

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mcqs physics.docx