Question

The mass of a bob, suspended in a simple pendulum, is halved from the initial mass, its time period will :

• A. Be less
• B. Be more
• C. Remain unchanged
• D. None of these

Answer 1

The correct option is C Remain unchanged

The time period of simple pendulum is given by

$T=2\pi \sqrt{\frac{l}{g}}$

where, $l=$ length of simple pendulum

$g=$ acceleration due to gravity

$T=$ Time period

The time period of simple pendulum is independent of the mass of bob, the time period remains unchanged,when mass of bob will change.

The correct option is C.