A simple pendulum has a time period T_1 when on the earth's surface and T_2 when taken to a height R above the earth's surface, where R is the radius of the earth. The value of T/T, is:

A simple pendulum has a time period T_1 when on the earth's surface an

1.	A simple pendulum has a time period T_1 when on the earth's surface and T_2 when taken to a height R above the earth's surface, where R is the radius of the earth. The value of T/T, is:
Answer» `2` `4` `SQRT(2)` 1 Answer :A