A simple pendulum oscillating in air has period

PHYSICS · Single correct · CBSE · Physics · Oscillations · Oscillations

Problem

T

. The bob of the pendulum is completely immersed in a non-viscous liquid. The density of the liquid is

\frac{1}{16}

th of the material of the bob. If the bob is inside liquid all the time, its period of oscillation in this liquid is : (1)

2T \sqrt{\frac{1}{10}}

(2)

2T \sqrt{\frac{1}{14}}

(3)

4T \sqrt{\frac{1}{15}}

(4)

4T \sqrt{\frac{1}{14}}