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Questions  

Four types of oscillatory systems: a simple pendulum; a physical pendulum; a torsional pendulum and a spring-mass system, each of same time period is taken to the Moon. If time periods are measured on the moon, which system or systems will have it unchanged? 

a
only spring-mass system
b
spring-mass system and torsional pendulum
c
spring-mass system and physical pendulum
d
none of these

detailed solution

Correct option is B

Both the spring-mass system and torsional pendulum have no dependence on gravitational acceleration for their time periods.

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