A simple pendulum...|SIMPLE HARMONIC MOTION|JEEMAIN 2021

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JEE MAIN 2019

09-04-2019 - S1

Question

A simple pendulum oscillating in air has period 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 :

Select the correct option:

A

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

B

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

C

$4 \mathrm{~T} \sqrt{\frac{1}{14}}$

D

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

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

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