Time period of a second's pendulum is 2, sec . spherical bob which is empty from inside has a ma

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13.Oscillations

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The time period of a second's pendulum is $2\, sec$. The spherical bob which is empty from inside has a mass of $50\, gm$. This is now replaced by another solid bob of same radius but having different mass of $ 100\, gm$. The new time period will be .... $\sec$

A

$4$

B

$1$

C

$2$

D

$8$

Solution

(c) $T = 2\pi \sqrt {\frac{l}{g}} $ (Independent of mass)

Standard 11

Physics

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