Question # 1

GPS system consists of earth satellites:

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4

20

24

30

Mass of earth is Me is :

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Me = 6× 1024 kg

6× 1024 kg

7× 1024 kg

6× 1024 Mg

Moon is nearly km away from the Earth:

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3,80,000 km

3800 km

3,80 km

38 km

Mass of earth is approximately _________

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3.7 x 10²⁴ kg

25.94 kg

6.0 x 10²²kg

6 x 10²⁴kg

Value of 'g' on surface of moon is:

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1.62 ms^-2

3.7 ms^-2

9.2 ms^-2

10 ms^-2

S.I unit of gravitational field strength is:

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Nkg

Nkg^-1

Nkg^-2

Nkg^-3

The unit of gravitational constnat is:

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Nm² kg

Nm²kg^-2

Nm²kg^-1

N - m²

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

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25.94

3.7

8.87

1.62

S.I unit of G is:

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Nm^-2 kg²

Nm^-2Kg^-2

Nm²kg^-2

Nm²kg^-3

The earth attracts us due to its __________ mass:

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Little

Zero

Small

Large

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

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

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Less than

Greater than

Equal

Constant

Value of g increases with the

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Increases in mass of the body

Increase in altitude

Decreases in altitude

None of the above

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