Which of the following has symmetry ?
a) Acceleration due to gravity.
b) Law of gravitation .

Which of the following letter has point symmetry ?

Which of the following Alphabet has one symmetry Axis ?

Which of the following letter has no line of symmetry?

Which of the following has at least one line of symmetry ?

The acceleration due to gravity at a depth of 1600 km inside the earth.

Derive the relation between accelaration due to gravity at the surface of a planet and Gravitational constant.