Question # 1

The maximum velocity necessary to put a satellite into orbit is

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7.1 kms-1

7.3 kms-1

7.9 kms-1

8,9 kms-1

The equations of angular motion hold only in case when the axis of rotation is

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Moving

Fixed

Both a and b

None of these

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

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Infinite

2 g

3 g

zero

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

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Torque

Linear momentum

Angular momentum

Force

Artificial gravity can be created in the space ship by

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Revolving around the earth

Spinning around its own axis

Increasing its velocity

Decreasing it svelocity

INTELSAT VI satellite operates at microwave frequencies of.

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2,4,6,10 GHz

4,6,11 and 14 MHz

4,6,11 and 14 GHz

2,4,6 AND 14 GHz

The direction of angular velocity is determined.

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Left hands rule

Head to tail rule

Right hand rule

General rule

100 radians are equal to.

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57.3^o

75.3^o

573^o

5730^o

2 radian = ____

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2 m

4 m

57.3 m

114.6 m

The largest satellite system is managed by

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116 countries

126 countries

136 countries

140 countries

The artificial satellites are held in orbits by

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Gravitational force

Electric force

Magnetic force

All of these

How many orbiting satellites from the Global positing system.

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3

12

24

22

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

Satellites are the objects that orbit around the

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Moon

Sun

Earth

Star

the height of the geostationary satellite above the equator is.

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35000 km

36000 km

34000 km

33000 km

The weight of the body at the centre of earth is

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Maximum

Minimum

Zero

Infinite

A man weight 1000 N in a stationary lift. If the lift moves up with an acceleration of 10 ms-2. then its weight becomes.

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1000 N

2000 N

3000 N

0 N

Angular velocity determines, How fast or, How slow a body is

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Accelerating

Vibrating

Rotating

Oscillating

The motion of a body moving along a circular path is called.

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Translational motion

Angular motion

Vibratory motion

Linear motion

Angular displacement is

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Scalar quantity

Vector quantity

Basic quantity

None of these

A man of 1 kg is freefalling. The force of gravity is

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1 N

9.8 N

0.5 N

Zero

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