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Physics English Medium Fsc Part 1 Chapter 5 Online MCQs Test MCQs With Answers

Question # 1

The weight of the body at the centre of earth is

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Maximum

Minimum

Zero

Infinite

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Question # 2

The orbital angular momentum is associated with the motion of a body along

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Straight path

Circular path

Curved path

Along any path

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Question # 3

The value of a time period of allow flying satellite is

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1 year

84 minutes

28 hours

1 day

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Question # 4

If a body is moving in the counter clockwise direction the direction of angular velocity will be

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Toward the centre

Away from the centre

along the linear velocity

Perpendicular to both radius and linear velocity

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Question # 5

The product of rotational inertial 'I' and angular velocity ' w' is equal to.

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Torque

Linear momentum

Angular momentum

Force

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Question # 6

In rotational motion the torque is equal to rate of change of

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Angular velocity

Linear momentum

Angular momentum

Angular acceleration

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Question # 7

The value of angular momentum is maximum when 0 is

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90^o

60^o

75^o

45^o

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Question # 8

All point of the rigid body rotating about a fixed axis do not have same.

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Angular acceleration

Angular speed

speed

Angular displacement

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Question # 9

When a body is whirled in a horizontal circle by means of string, the centripetal force is supplied by

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Mass of body

Velocity of a body

Tension in the string

Centripetal acceleration

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Question # 10

A communication satellite is used ot reflect the signal of.

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Microwaves

Radio waves

y rays

x -rays

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Question # 11

If a rocket is accelerating upward with an acceleration of 2 g, an astronaut of weight, mg in the rocket shows apparent weight.

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Zero

2 mg

3 mg

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