A hollow sphere of simple pendulum is first filled with mercury and then with water. The time periods are in the ratio if their densities are in the ratio 13.6 :1

A hollow sphere of simple pendulum is first filled with mercury and th

1.	A hollow sphere of simple pendulum is first filled with mercury and then with water. The time periods are in the ratio if their densities are in the ratio 13.6 :1
Answer» 1:1 ` 1: SQRT(13.6)` `1: 13.6` 13.6 : 1 Answer :A