Physics MCQs for Class 9 with Answers
In SI units, the value of gravitational constant ‘G’ is
6.673 x 10-9 Nm2 kg-2
6.673 x 10-10 Nm2 kg-2
6.673 x 10-11 Nm2 kg-2
6.673 x 10-12 Nm2 kg-2
Value of g on mercury is ___________ ms-2.
25.94
3.7
8.87
1.62
Anything that rotates around a planet is called:
Star
Sun
Moon
Satellite
The weight of a body is 100 N its weight on moon is :
0.17 Kg
1.7 N
17 N
170 N
The mass of Earth is
6 x 1018 kg
6 x 1020 kg
6 x 1022 kg
6 x 1024 kg
The value of ‘g’ is maximum
At mountains
At plains
At the surface of earth
At sea level
S.I unit of G is:
Nm-2 kg2
Nm-2Kg-2
Nm2kg-2
Nm2kg-3
Everybody in the universe attracts other body with a force which is
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
Newton discovered the cause of falling apple in :
1886
1905
1665
1600
S.I unit of gravitational field strength is:
Nkg
Nkg-1
Nkg-2
Nkg-3
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