Question
Question: The time period of a second's pendulum is 2 sec. The spherical bob which is empty from inside has a ...
The time period of a second's pendulum is 2 sec. The spherical bob which is empty from inside has a mass of 50 gm. This is now replaced by another solid bob of same radius but having different mass of 100 gm. The new time period will be
A
4 sec
B
1 sec
C
2 sec
D
8 sec
Answer
2 sec
Explanation
Solution
T=2πgl (Independent of mass)