Physics Fsc Part 1 Full Book Online Test With Answers

Physics Fsc Part 1 Full Book Online Test

Sr. # Questions Answers Choice
1

A man inside th artificial satllite feels weightlessness because the force of attrction due to the earth is.

 <p>Zero at pole</p> <p>Balanced by the force of attraction due to the moon</p> <p>Equal to the centripetal force</p> <p>Non effective due to some prticular design of the satellite</p>
2

An object in uniform circular motion make 10 revolution sin 2 secons .Which of the following statement is true.

 <p>Its period is 2.0 s</p> <p>Its period is 20 s</p> <p>Its frequency is 5 Hz</p> <p>Its frequency is 0.2 Hz</p>
3

An astronaut is orbiting aroudn th Earth in a large capsule . Then.

 <p>He willbe in a state of weight lessness with respect to capsule</p> <p>He is freely falling towards the Earth&nbsp;</p> <p>A ball prjected at an angle has a straight line path as observed by him</p> <p>All the above</p>
4

The minimum velocity necessary to put a satellite into the orbit is called.

 <p>Terminal velocity</p> <p>Critical velocity</p> <p>Artificial velocity</p> <p>Angular Velocity</p>
5

Every point of rotating rigid body has

 <p>Same angualr velocity&nbsp;</p> <p>Same linear velocity</p> <p>Same linear aceleration</p> <p>Same linear distance</p>
6

A stone at the end of long string is whirled in verticl circle at a constant speed The tension in the string willbe minimum when the stone is.

 <p>At the top of the cirlcle</p> <p>Halfway down</p> <p>At the bottom of circle</p> <p>Any where in the circle</p>
7

A body travellling in a circle at constatn speed.

 <p>Has constaltn velocity</p> <p>Has an inward radial acceleration</p> <p>I not accelerated</p> <p>Has an outward radical acceleration</p>
8

The ratio of angualr speed of minute's hand and hour's hand of watch is.

 <p>12:1</p> <p>1:6</p> <p>6:1</p> <p>1:12</p>
9

A collision in whcih both K.E. and momentum are conseverd.

 <p>Elastic collision</p> <p>Inelastic ollision</p> <p>Both elasic and inclastic</p> <p>Norther elastic nor inclastic</p>
10

Rocket ejects the burnt gasses at a speed of over (consuming fuel at rate of 10000kg/s)

 <p>4000 m/s</p> <p>400 m/s</p> <p>40000 cm/s</p> <p>400 cm/s</p>
11

The motion of the rocket is in accordance with law of conservaion of 

 <p>Linear momentum&nbsp;</p> <p>Energy</p> <p>Mass</p> <p>Angular momentum</p>
12

Before launch of any rocket the mass of fuel of the rocket is about

 <p>60% of rocket mass</p> <p>50% of rocket mass</p> <p>40% of rocket mass</p> <p>80 % of rocket mass</p>
13

Dimensions of impulse are  similar to dimensions of.

 <p>Work&nbsp;</p> <p>Torque</p> <p>Force</p> <p>Momentum</p>
14

The SI unit of momentum is.

 <p>Kg ms&nbsp;</p> <p>Kg ms -2</p> <p>kg m2 s</p> <p>kg 2 m-1</p>
15

In projectiel motion horizontal rane depends upon.

 <p>Angle of projection</p> <p>Initial velocity</p> <p>Both initial velocity and angle of projection</p> <p>Final Velocity</p>
16

The horizontal componet is velocity of projectile moving  with initial velocity of 500 ms -1 at angle of 60o with x-axis is equal to

 <p>250 ms-1</p> <p>Zero</p> <p>500 ms -1</p> <p>1000 ms-1</p>
17

The velocity of the projectile is maximum.

 <p>At half of height</p> <p>At highest point</p> <p>Just before striking the ground and &nbsp;at the point of projection</p> <p>At one fourth of maximum height</p>
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