Question # 1

The value of gravitational constant is, G is:

Choose an answer

6.67× 10-10 Nm2/Kg2

6.67× 10-11 Nm2/Kg2

6.67× 10-11

None

Earth's gravitational force of attraction vanishes at:

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6400 km

Infinity

42300 km

1000 km

Moon is nearly km away from the Earth:

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3,80,000 km

3800 km

3,80 km

38 km

A satellite revolving around very close to Earth has speed nearly:

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8 kms^-1

5 kms^-1

10 kms^-1

100 kms^-1

Speed of the satellites of GPS around earth is:

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3.87 ms^-1

387 kms^-1

3.87 kms^-1

38.7 kms^-1

Moon complete its one revolution around the earth is ___________ DAYS:

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29

27.3

30

21

S.I unit of gravitational field strength is:

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Nkg

Nkg^-1

Nkg^-2

Nkg^-3

The velocity of geostationary satellites with respect to Earth is

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Vo

2Vo

Zero

1/2 Vo

________ is the height of an object or place above sea level.

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Altitude

Depth

Sun

Moon

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 increases with the :

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Increase in the mass of the body

Increase in altitude

Decrease in altitude

None of the above

Velocity of the body moving in upward direction from the contre of the earth.

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Increases

Decrease

Remain constnat

None of these

The speed of satellites in GPS is:

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8.73 kms^-1

3.87 ms^-1

32 ms^-1

3.87 kms^-1

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