Physics Fsc Part 1 Full Book Online Test With Answers

Physics Fsc Part 1 Full Book Online Test

Sr. # Questions Answers Choice
1

Work done on a body for increasing velocity results in.

 <p>Change in K.E.</p> <p>Change in gravitational P.E.</p> <p>Change in electric P.E.</p> <p>All</p>
2

Which of the following is non conservative force.

 <p>Elastic spring force</p> <p>Electric force</p> <p>Gravitational force</p> <p>Tension in string</p>
3

Escape velocity depends upon.

 <p>Mass of the body</p> <p>Radius of the body</p> <p>Radius of the planet</p> <p>Radius of the Earth</p>
4

Th dimension of powr is.

 <p>[ML2 T-3]</p> <p>[ML-1T-1]</p> <p>[ML2T2]</p> <p>[ML-2T-4]</p>
5

Power can be defined as the scalar product of.

 <p>force and displacemnt</p> <p>Force and velocity</p> <p>Force and time</p> <p>Force and mass</p>
6

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.

 <p>600 W</p> <p>400 W</p> <p>300 W</p> <p>500 W</p>
7

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

 <p>130 J</p> <p>120 J</p> <p>160 j</p> <p>0.02 J</p>
8

The work done in lifting a boyd of mass m from surface of the earth to an infinite distance is.

 <p>K.E.</p> <p>Absolute P.E.</p> <p>Elastic P.E.</p> <p>Absolue K.E</p>
9

If an agent consumes a power of 1 kW in one hour the work done is.

 <p>One emega watt hour</p> <p>One kile watt hour</p> <p>One deci watt hour</p>
10

1 kilowatt is equal=

 <p>1000J/S</p> <p>106 Watt</p> <p>0.1 x 10 <sup>2</sup> watt</p> <p>6.25 x 10 <sup>25</sup> J</p>
11

A field in which the work done in moving a body along a closed path is zero known as.

 <p>Conservative field</p> <p>Nuclear field</p> <p>Magnetic field</p> <p>Electric field</p>
12

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

 <p>Density</p> <p>Work</p> <p>Teperature</p> <p>Power</p>
13

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

 <p>50 J</p> <p>-39.2 J</p> <p>35 J</p> <p>40 J</p>
14

Gravity performs zero work when body moves

 <p>Vertically</p> <p>Horizontally</p> <p>At 60% with vertical</p> <p>At 45% with horizontal</p>
15

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

 <p>Minimum</p> <p>Maximum</p> <p>Infinity&nbsp;</p> <p>Zero</p>
16

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.?

 <p>1500 min</p> <p>100 min</p> <p>25 min</p> <p>50 min</p>
17

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

 <p>12 J</p> <p>720 J</p> <p>20 J</p> <p>3 J</p>
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