Question

The perfod of oscillation of a bob suspended by
a string of length 1 is 27
. This expression
is valid only for
1) A light bob and no friction
27 Small amplitude of oscillation and a small
bob
3) A bob of low density
4) A bob which is not ferromagnetic and large
'amplitude​

Answer 1

Answer:

1 is the correct answer

Hope it helps...