Question # 1

The velocity of geostationary satellites with respect to Earth is

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Vo

2Vo

Zero

1/2 Vo

Value of g on mercury is ___________ ms^-2.

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25.94

3.7

8.87

1.62

Earth revolves around the:

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Moon

Sun

Glaxy

None

The orbital velocity of a satellite revolving at height 'h' above the surface of Earth is given by

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Mass of earth is Me is :

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Me = 6× 1024 kg

6× 1024 kg

7× 1024 kg

6× 1024 Mg

The earth also completes its one revolution about its axis in.

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1 Hours

6 Hours

13 Hours

24 Hours

The value of gravitational constant is SI unit is

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0.673 x 10-10

6.673 x 10-11

4.32 x 10-9

5.32 x 10-11

Weight of the body is__________ to the gravity force between body and earth:

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Less than

Greater than

Equal

Constant

The mass of Earth is

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6 x 1018 kg

6 x 1020 kg

6 x 1022 kg

6 x 1024 kg

The value of 'g' is greater at:

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Moon

Hills

Sea leavel

Desert

The value of 'g' on the surface of Mars:

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3.73 ms^-2

1.62 ms^-2

Zero

Constant

The value of g at a height one Earth's radius above the surface of the

Earth is:

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2 g

1/2 g

1/3 g1

1/4 g

S.I unit of G is:

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Nm^-2 kg²

Nm^-2Kg^-2

Nm²kg^-2

Nm²kg^-3

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