Question # 1

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

The value of G is _________ every where:

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Same

Varying

Changing

1.62

The Earth attracts a body with a force equal to its:

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Velocity

Gravity

Weight

Mass

The height of geostationary satellites with respect to Earth is

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36,300 km

40,300 km

30,300 km

42,300 km

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

The value of gravitational constant is, G is:

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6.67× 10-10 Nm2/Kg2

6.67× 10-11 Nm2/Kg2

6.67× 10-11

None

The unit of gravitational constnat is:

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Nm² kg

Nm²kg^-2

Nm²kg^-1

N - m²

The value of G is __________ Nm² kg^-2.

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6.67 x 10^-11 Nm² kg^-1

6.67 x 10^-11Nm²kg

6.67 x 10^-11Nm²kg^-2

6.67 x 10^-11Nm kg^-1

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

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2g

1/2 g

1/3 g

1/4 g

Moon is a _____________ satellite.

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Natural

Artificial

Not manmade

Nil

Weight of the body when we increase its height from earth's surface.

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Increase

Decrease

Remain constant

None

Near the earth surface the gravitational field strength is:

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1 N kg^-1

10 N kg^-1

100 N kg^-1

101 N kg^-1

Moon is nearly _________ km away from earth.

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6 x 10²⁴

380000

199.62 km

30000

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