The metallic bob of a simple pendulum has the relative densityr. The time period of this pendulum is T. If the metallic bob is immersed in water, then the new time period is given by [SCRA 1998]

\[T\sqrt{\frac{\rho }{\rho -1}}\]

The metallic bob of a simple pendulum has the relative densityr. The t

1.	The metallic bob of a simple pendulum has the relative densityr. The time period of this pendulum is T. If the metallic bob is immersed in water, then the new time period is given by [SCRA 1998]
A.	\[T\frac{\rho -1}{\rho }\]
B.	\[T\frac{\rho }{\rho -1}\]
C.	\[\frac{1}{2}E\]
D.	\[T\sqrt{\frac{\rho }{\rho -1}}\]
Answer» E.

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The metallic bob of a simple pendulum has the relative densityr. The time period of this pendulum is T. If the metallic bob is immersed in water, then the new time period is given by [SCRA 1998]

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