Identify correct statement among the following - Vidyadip

MCQ

Identify correct statement among the following

A
The greater the mass of a pendulum bob, the shorter is its frequency of oscillation
B
A simple pendulum with a bob of mass $M$ swings with an angular amplitude of $40^{\circ}$. When its angular amplitude is $20^{\circ}$, the tension in the string is less than $M g \cos 20^{\circ}$.
✓
As the length of a simple pendulum is increased, the maximum velocity of its bob during its oscillation will also decreases
D
The fractional change in the time period of a pendulum on changing the temperature is independent of the length of the pendulum

✓

Answer

Correct option: C.

As the length of a simple pendulum is increased, the maximum velocity of its bob during its oscillation will also decreases

(c)

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