A simple pendulum of length `4.9m` is immersed in a liquid of density `rho =0.4 kg//m^(3)`. Then the
Channel: Doubtnut
Date: 16/02/2020

A simple pendulum of length `4.9m` is immersed in a liquid of density `rho =0.4 kg//m^(3)`. Then the time period of pendulum is (density of bob `=0.8 kg//m^(3))`