A torsional pendulum consists of a solid dise connected to a thin wire `(alpha=2.4 xx 10^(-5) `0^C^(
Channel: Doubtnut
Date: 2020-07-05

A torsional pendulum consists of a solid dise connected to a thin wire `(alpha=2.4 xx 10^(-5) `0^C^(-1)) at its centre. Find the percentage change in the time period between peak winter `(5^C)` and peak wummer `(45^C)`