Bob of Mass m suspended thread|FLUID MECHANICS|JEEMAIN 2021

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JEE MAIN 2021

31-08-21 S1

Question

A bob of mass ' m ' suspended by a thread of length $l$ undergoes simple harmonic oscillations with time period T . If the bob is immersed in a liquid that has density $\frac{1}{4}$ times that of the bob and the length of the thread is increased by $1 / 3^{\mathrm{rd}}$ of the original length, then the time period of the simple harmonic oscillations will be :-

Select the correct option:

A

T

B

$\frac{3}{2} T$

C

$\frac{3}{4} T$

D

$\frac{4}{3} T$

✓ Correct! Well done.

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Solution

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