This question contain Statement-1 and Statement-2. Of the four choices given after the statements, choose the one that best describes the two statements.
Statement-1:
For a mass M kept at centre of a cube of side 'a', the flux of gravitational field passing through its sides `4piGM`. and
Statement-2:
If the direction of a field due to a point source is radial and its dependence on the distance 'r' from the source is given as `(1)/(r^(2))`, its flux through a closed surface depends only on the strength of the source enclosed by the surface and not on the size or shape of the surface.

Options

A. Statement-1 is false, Statement-2 is true.
B. Statement-1 is true, Statement-2 is true, Statement-2 is correct explanation for Statement-1.
C. Statement-1 is true, Statement-2 is true, Statement-2 is not a correct explanation for Statement-1.
D. Statement-1 is true, Statement-2 is false.

Answer

B

Explanation

Statement 1 and statement 2 both are correct and statement 2 is a correct explaination of statement 1.
So the correct choice is b.