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Online Tests
9th Class Physics Chapter 5 Gracitation English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The value of gravitational constant "G" is Nm
2
kg
-2
Choose an answer
6.67 x 10
-21
6.67 x 10
-11
6.67 x 10
-23
6.67 x 10
11
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Question # 2
Weight of the body is due to the :
Choose an answer
Gravitation force
Centripetal force
Centrufugal force
All of the above
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Question # 3
The value of g increases with the :
Choose an answer
Increase in the mass of the body
Increase in altitude
Decrease in altitude
None of the above
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Question # 4
Value of 'g' on surface of moon is:
Choose an answer
1.62 ms
-2
3.7 ms
-2
9.2 ms
-2
10 ms
-2
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Question # 5
Everybody in the universe attracts other body with a force which is
Choose an answer
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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Question # 6
The mathematical form of law of gravitation is:
Choose an answer
F = GMe m/Re2
F = Gm1m2/r2
F = GMem1/Re2r2
None
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Question # 7
Law of Gravitation is consistence with:
Choose an answer
1st Law of motion
2nd Law of motion
3rd Law of motion
Law of momentum
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Question # 8
Value of g increases with the:
Choose an answer
Increase in mass of the body
Increases in altitude
decrease the altitude
None of the above
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Question # 9
The orbital velocity of a satellite revolving at height 'h' above the surface of Earth is given by
Choose an answer
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Question # 10
The Mars has value of g
Choose an answer
25.94 m/sec2
3.73 m/sec2
1.62 m/sec2
8.87 m/sec2
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Question # 11
A satellite revolving around very close to Earth has speed nearly:
Choose an answer
8 kms
-1
5 kms
-1
10 kms
-1
100 kms
-1
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Question # 12
The earth attracts us due to its __________ mass:
Choose an answer
Little
Zero
Small
Large
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Question # 13
The velocity of geostationary satellites with respect to Earth is
Choose an answer
Vo
2Vo
Zero
1/2 Vo
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