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Physics 9th Class English Medium Unit 5 Online Test MCQs With Answers

Question # 1

Gravitational force is a:

Choose an answer

Electric force

Magnetic force

Reactional force

Electromotive force.

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Question # 2

The velocity of geostationary satellites with respect to the Earth is:

Choose an answer

Maximum

Zero

Minimum

100 ms^-1

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Question # 3

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

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27.3

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Question # 4

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

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Altitude

Depth

Sun

Moon

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Question # 5

The first man who gave the idea of gravity:

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Hero

Einstein

Newton

Faraday

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Question # 6

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

Choose an answer

850 km

1000 km

6400 km

42,300 km

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Question # 7

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

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Question # 8

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

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Direct

Inverse

Constant

None

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Question # 9

GPS consists of __________ earth satellites.

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Question # 10

Everybody in the universe attracts other body with a force which is

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Directly proportional to the product of their masses

Inversely proportional to the product of their masses

Directly proportional to the distance between them

Directly proportional to the square of the distance between them

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