Question # 1

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

The radius R of Earth is

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6.4 x 106 m

6.4 x 108 m

6.4 x 1010 m

6.4 x 1012 m

Law of Gravitation is consistence with:

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1st Law of motion

2nd Law of motion

3rd Law of motion

Law of momentum

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

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29

27.3

30

21

Earth's gravitational force of attraction vanishes at

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6400 km

Infinity

42300 km

1000 km

A body is placed at height 'h' above the surface of the Earth.The value of 'g' is given by

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gh = Me/(R + h)2

gh = GMe/(R +h)2

gh = GMe/R2h

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

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1 Hours

6 Hours

13 Hours

24 Hours

The altitude of geostationary orbits in which communication satellites are launched above the surface of the earth is;

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850 km

1000 km

6400 km

42300 km

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

The value of g is maximum at:

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Mountains

Maximum height

Surface of earth

At 2R

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 value of gravitational constant "G" is Nm² kg^-2

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6.67 x 10^-21

6.67 x 10^-11

6.67 x 10^-23

6.67 x 10¹¹

Due to _____________ we can watch live programs.

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Natural Satellite

Antenna

Artificial satellite

Nil

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