Question # 1

Close orbiting satellites orbit the earth at a height of about

Choose an answer

400 km

4000 km

400 m

400 cm

The diver spins faster when moment of inertia becomes.

Choose an answer

smaller

Greater

Constant

Zero

International Telecommunication satellite

Choose an answer

4,6,8 and 10 Hz

4,6,11 and 14 GHz

4,6,8 and 12 Hz

4,8,11 and 16 GHz

The minimum number of correctly positioned communication satellites to cover whole populated earth is.

Choose an answer

2

3

100

200

The angular acceleration a =

Choose an answer

The amount of inertia of 10 kg hoop about the axis of rotation perpendicular to its plane having radius 5 m is

Choose an answer

50 kgm2

100 K gm2

150 K gm2

250 K gm2

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

Choose an answer

Mass of body

Velocity of a body

Tension in the string

Centripetal acceleration

The value of of 'g' at the centre of the earth is

Choose an answer

Infinite

2 g

3 g

zero

The diver spin faster when moment of inertia becomes.

Choose an answer

smaller

Greater

Constant

Equal

The SI unit of angular displacement is.

Choose an answer

Degree

Revolution

Radian

Rotation

Choose an answer

The direction of angular velocity is determined.

Choose an answer

Left hands rule

Head to tail rule

Right hand rule

General rule

The maximum velocity necessary to put a satellite into orbit is

Choose an answer

7.1 kms-1

7.3 kms-1

7.9 kms-1

8,9 kms-1

2 radian = ____

Choose an answer

2 m

4 m

57.3 m

114.6 m

An elevator is moving up with an acceleration equal to 'g' An apparent weight of the body in an elevator is.

Choose an answer

Zero

Equal to real weight

2 mg

3 mg

In case of planets centripetal force is provided by

Choose an answer

Coulomb's force

Electrostatic force

Gravitational force

Magnetic force

Apparent weight of a man is in upward accelerated lift will

Choose an answer

Increases

Decreases

Remain same

Increases then decrees

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

Choose an answer

Zero

Mg

2 mg

3 mg

More Classes

Other Links

Physics Fsc Part 1 Chapter 5 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer