Lakhmir Singh and Manjit Kaur Solutions for Chapter: Gravitation, Exercise 4: Multiple Choice Questions (MCQs)

An object is thrown vertically upwards with a velocity $u$, the greatest height $h$ to which it will rise before falling back is given by:

The mass of the moon is $0.012$ times that of earth and its diameter is $0.25$ times the diameter of earth. The value of $G$ on the moon will be :

The value of $g$ on the surface of the moon:

The atmosphere consisting of a large number of gases is held to earth by :

The force of attraction between two unit point masses seperated by a unit distance is called :

The weight of an object at the centre of the earth of radius $R$:

Two objects of different masses falling freely near the surface of moon would :

An apple of mass $100$ $\mathrm{g}$  falls from a tree because of gravitational attraction between Earth and the apple. If the magnitude of the force exerted by the earth on the apple be ${\mathrm{F}}_1$ and the magnitude of force exerted by the apple on the earth be ${\mathrm{F}}_2$, then