If the metal bob of a simple pendulum is replaced by a wooden bob, then its time period will

Options

A. increase
B. decrease
C. remain the same
D. be first (a) then (b)

Answer

B

Explanation

Time period of a simple pendulum is `T=2pisqrt((l)/(g))`
Time period of a simple pendulum is independent on the material of the bob. Hence when a metal bob is replaced by a wooden bob its time period remains the same.