First Year Physics Chapter 4 Online MCQ Test for 1st Year Physics Chapter 4 (Work and Energy)


ICS Part 1 Physics
Chapter 4 Test

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Physics ICS Part 1 Chapter 4 Online Test

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Physics ICS Part 1 Chapter 4 Online Test

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Question # 1

Ratio of dimension of power and K.E. is.

Question # 2

Two bodies A and B of mass 1 kg and 2 kg respectively have same momentum. Which one has greater KE.

Question # 3

Escape velocity depends upon.

Question # 4

If a body mass 2 kg is raised verticaly through 2 m then the work done will be.

Question # 5

A force of 10 N is rquirired  to overcome  road friction and air resistanc in propelling an automobile at 30 m/sec. power develped by the engine.

Question # 6

When the force is parallel to the direction of motionof the body the work done is.

Question # 7

A body rest may have.

Question # 8

Th dimension of powr is.

Question # 9

A1 kg mass has potential energy of 1 joule relative to the ground when it is at  a height of.

Question # 10

If P= Pressure, delta V = change in volume, P delta V represents. 

Question # 11

An iron sphere whose mass is 30 kg has the same diameter as an aluminium sphere whose mass is 10.5 kg. The spheres are simultaneously dropped form  a cliff. When they are 10 m fromt he gorund, they have identical.

Question # 12

The kinetic energy acquired by a distance from rest under eh action of a constant fore is directly proportinal to.

Question # 13

The consumption of eergy by a 60 watt bulb in 2 secinds is

Question # 14

Which of the following is non conservative force.

Question # 15

Work done on a body for increasing velocity results in.

Question # 16

If P = pressure, Deltat V  = change in volume, P Delta V represents 

Question # 17

The dimension of power

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FSc Part 1 Physics (New Book) Important MCQ's

Sr.# Question Answer
1

A dry battery cna deliver 3000 J of energy to a 2 W small electric motor befor the battery is exhausted.For how many minutes does the battery run.?
A.

1500 min

B.

100 min

C.

25 min

D.

50 min
2

The dimension of power
A.

[ML2 T-3]

B.

[ML-1T-1]

C.

[ML2T2]

D.

[ML-2T-4]
3

When the force is parallel to the direction of motionof the body the work done is.
A.

Minimum

B.

Maximum

C.

Infinity 

D.

Zero
4

Power of lamp is 6 W. How much energy does a lamp give out in 2 min?
A.

12 J

B.

720 J

C.

20 J

D.

3 J
5

A body of mass 0.2 kg initially moving with velocity 10 m/s comes to rest in 1 m. how much retarding force acts on it.
A.

10 N

B.

20 N

C.

40 N

D.

200 N
6

Th dimension of powr is.
A.

[ML2 T-3]

B.

[ML-1T-1]

C.

[ML2T2]

D.

[ML-2T-4]
7

Work done on a body for increasing velocity results in.
A.

Change in K.E.

B.

Change in gravitational P.E.

C.

Change in electric P.E.

D.

All
8

Power can be defined as the scalar product of.
A.

force and displacemnt

B.

Force and velocity

C.

Force and time

D.

Force and mass
9

Ratio of dimension of power and K.E. is.
A.

1 : 1

B.

T : 1

C.

1 : T

D.

M : T
10

Absolute P.E. of a body of mass"m" at a distance"r" from earth centre is.
A.

[-GM/r]

B.

- Gr/ M

C.

-Gmr

D.

GmM /r

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