Physics MCQs for Class 9 with Answers
If the distance is doubled between two masses. The gravitational force will decrease:
4 times
2 times
One forth
One third
The value of gravitational constant is SI unit is
0.673 x 10-10
6.673 x 10-11
4.32 x 10-9
5.32 x 10-11
The height of geostationary satellites with respect to Earth is
36,300 km
40,300 km
30,300 km
42,300 km
GPS consists of __________ earth satellites.
30
2
7
24
The radius R of Earth is
6.4 x 106 m
6.4 x 108 m
6.4 x 1010 m
6.4 x 1012 m
Value of ‘g’ on surface of moon is:
1.62 ms-2
3.7 ms-2
9.2 ms-2
10 ms-2
The value of gravitational constant is, G is:
6.67× 10-10 Nm2/Kg2
6.67× 10-11 Nm2/Kg2
6.67× 10-11
None
Moon is ____ satellite.
Natural
Communications
Artificial
Geostationary
The orbital speed of a low orbit satellite is:
Zero
8 ms-1
800 ms-1
8000 ms-1
The value of G is _________ every where:
Same
Varying
Changing
1.62
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