The time period of a pendulum is $2 s e c o n d s$ . The spherical bob of the pendulum, which is empty from inside, has a mass of $50 g$ . Another solid bob of same radius but having a different mass of $100 g$ now replaces this. The new time period will be

8 s

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2 s

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1 s

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4 s

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Solution

The correct option is B $2 s$
$\begin{matrix} Given- Time period of 50 g bob = 2 s e c Time period of 100 g bob = ? Formula of Time period [T = 2 π \cdot \sqrt{\frac{l}{g}}] since the time period is independent of mass of the Bob and Hence time period do not change if mass of the Bob changes. Thus Time period = 2 s e c . \end{matrix}$

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The time period of a pendulum is 2 seconds. The spherical bob of the pendulum, which is empty from inside, has a mass of 50 g. Another solid bob of same radius but having a different mass of 100 g now replaces this. The new time period will be

The correct option is B 2 s Given- Time period of 50 g bob =2sec Time period of 100 g bob =? Formula of Time period [T=2π⋅√lg] since the time period is independent of mass of the Bob and Hence time period do not change if mass of the Bob changes. Thus Time period =2sec .

The time period of a pendulum is $2 s e c o n d s$ . The spherical bob of the pendulum, which is empty from inside, has a mass of $50 g$ . Another solid bob of same radius but having a different mass of $100 g$ now replaces this. The new time period will be