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Online Tests
Physics 9th Class English Medium Unit 5 Online Test MCQs With Answers
Question # 1
Anything that rotates around a planet is called:
Choose an answer
Star
Sun
Moon
Satellite
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Question # 2
The first man who gave the idea of gravity:
Choose an answer
Hero
Einstein
Newton
Faraday
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Question # 3
The gravitational field exist _________ the earth.
Choose an answer
One direction
Upward
All aorund
Downward
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Question # 4
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 # 5
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
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Question # 6
The value of 'g' on the surface of Mars:
Choose an answer
3.73 ms
-2
1.62 ms
-2
Zero
Constant
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Question # 7
Newton's law of gravitation resembles with
Choose an answer
1st law of motion
2nd law of motion
3rd law of motion
Law of gravitation
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Question # 8
Weight of the body is due to the :
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Gravitation force
Centripetal force
Centrufugal force
All of the above
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Question # 9
The orbital speed of a low orbit satellite is
Choose an answer
Zero
8 ms-1
800 ms-1
8000 ms-1
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Question # 10
Moon complete its one revolution around the earth is ___________ DAYS:
Choose an answer
29
27.3
30
21
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Question # 11
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
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Question # 12
The force exerted by earth on moon is :
Choose an answer
2.01× 1020 N
2.01× 1020 Kg
2.01× 1021 N
2.01× 1022 Kg m/s2
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Question # 13
The value of gravitational constant is SI unit is
Choose an answer
0.673 x 10-10
6.673 x 10-11
4.32 x 10-9
5.32 x 10-11
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