A simple pendulum , a physical pendulum, a torsional pendulum and a spring-mass systeam,
Channel: Doubtnut
Date: 2020-01-26

A simple pendulum , a physical pendulum, a torsional pendulum and a spring-mass systeam, each of same frequency are taken to the Moon. If frequencies are measured on the moon, which systeam of systeams will have it unchanged?