The period of small oscillation of a simple pendulum is $T$. The ratio of density of liquid to the density of material of the bob is $\rho \left( {\rho < 1} \right)$.When immersed in the liquid, the time period of small oscillation will now be
The period of small oscillation of a simple pendulum is $T$. The ratio of density of liquid to the density of material of the bob is $\rho \left( {\rho < 1} \right)$.When immersed in the liquid, the time period of small oscillation will now be
- A
$T$
- B
$T\left( {1 - \rho } \right)$
- C
$\frac{T}{{\sqrt {1 - \rho} }}$
- D
$T\sqrt {1 - \rho } $
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- [AIEEE 2004]
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