Question # 1

Moon is nearly _________ km away from earth.

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6 x 10²⁴

380000

199.62 km

30000

Near the surface of Earth, the gravitational field strength is

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10 Nkg-1

Zero

100 Nkg-1

1000 Nkg-1

The force with which earth attracts a body towards its center is equal to its

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Mass

Weight

Charge

Radius

The speed geostationary satellite with respect to earth is:

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8.33 kms^-1

3.87 ms^-1

32 ms^-1

Zero

Newton discovered the cause of falling apple in :

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1886

1905

1665

1600

Moon is our satellite:

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Artificial

Permanent

Natural

Communication

Magnetic force is an example of :

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Action at a distance

Force

Torque

Nil

The gravitational force has the ________ relation with the distance between two masses:

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Direct

Inverse

Constant

None

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

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25.94

3.7

8.87

1.62

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

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29

27.3

30

21

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