If R Is the Radius of the..... | JEE Main 2024 | Gravitation

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JEE MAIN

01-02-24 S1

Question

If R is the radius of the earth and the acceleration due to gravity on the surface of earth is $g=\pi^2 \mathrm{~m} / \mathrm{s}^2$, , then the length of the second's pendulum at a height h=2R from the surface of earth will be

Select the correct option:

A

$\frac{2}{9} \mathrm{~m}$

B

$\frac{1}{9} \mathrm{~m}$

C

$\frac{4}{9} \mathrm{~m}$

D

$\frac{8}{9} \mathrm{~m}$

✓ Correct! Well done.

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