Question # 1

A communication satellite is used ot reflect the signal of.

Choose an answer

Microwaves

Radio waves

y rays

x -rays

Which one of the following force cannot do any work on the particle on which it acts.

Choose an answer

Fractional force

Gravitational force

Electrostatic force

Centripetal force

When a particle is moving along a circular path its projection along the diameter executes

Choose an answer

Linear motion

Vibratory motion

Rotatory motion

SHM

A 60 kg man in an elevator is moving upward with an acceleration of 9.8 ms-2. The apparent weight of the man.

Choose an answer

Increase

Decreases

Remain constant

Becomes 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 largest satellite system is managed by

Choose an answer

116 countries

126 countries

136 countries

140 countries

The weight of the body at the centre of earth is

Choose an answer

Maximum

Minimum

Zero

Infinite

INTELSAT VI satellite operates at microwave frequencies of.

Choose an answer

2,4,6,10 GHz

4,6,11 and 14 MHz

4,6,11 and 14 GHz

2,4,6 AND 14 GHz

The angular acceleration a =

Choose an answer

Which one of the following is into directed along the axis of rotation

Choose an answer

Angular acceleration

Angular momentum

Centripetal acceleration

Angular displacement

2 radian = ____

Choose an answer

2 m

4 m

57.3 m

114.6 m

Close orbiting satellites orbit the earth at a height of about

Choose an answer

400 km

4000 km

400 m

400 cm

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 moves in circular motion, the angle between linear and angular velocity is.

Choose an answer

180^o

90^o

60^o

75.3^o

Direction of angular acceleration is always along

Choose an answer

x-axis

y -axis

z-axis

The axis of rotation

Height of geo stationary orbit of the satellite above the earth is.

Choose an answer

300 km

250 km

400 km

None of these

The centripetal force is always directed

Choose an answer

Away from the centre along the radius

Along the direction of motion

Opposite to the motion of the body

Towards the centre along the radius

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