MEDIUM
12th Maharashtra Board
IMPORTANT
Earn 100

Define binding energy and obtain an expression for binding energy of a satellite revolving in a circular orbit round the earth.

Important Questions on Gravitation

HARD
12th Maharashtra Board
IMPORTANT

What is the decrease in weight of a body of mass 500 kg when it is taken into a mine of depth 1000 km?

(Radius of earth R = 6400 km, g = 9.8 m/s2)

MEDIUM
12th Maharashtra Board
IMPORTANT
At what height the acceleration due to gravity is 25% of that at the surface of the Earth, in terms of radius of the Earth.
MEDIUM
12th Maharashtra Board
IMPORTANT
State Newton’s law of gravitation. Obtain the relation between universal gravitational constant and gravitational acceleration on the surface of the earth.