Question # 1

the height of the geostationary satellite above the equator is.

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35000 km

36000 km

34000 km

33000 km

A wheel of radius 50 cm having an angular speed of a rad /s have linear speed.

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1.5 m/s

3.5 m/s

2.5 m/s

4.5 m/s

The dimensions of angular velocity are

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[LT-1]

[LT-2]

[T-1]

[L-1T-1]

In case of planets centripetal force is provided by

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Coulomb's force

Electrostatic force

Gravitational force

Magnetic force

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

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180^o

90^o

60^o

75.3^o

The SI unit of angular momentum is

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J.S-2

J.S-1

J.S

J.m

Time period of geostationary satellite of radius 'R' is

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1 hour

48 min

1 day

1 month

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

A body rotating with angular velocity of 2 radian/s and linear velocity is also 2 ms-1, then radius of circle is.

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1 m

0.5 m

4 m

2 m

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

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300 km

250 km

400 km

None of these

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