(A) : When a clock fitted with a spring mass system is taken to the surface of the moon, its time period is same as that on the earth
(R) : The time period of a spring mass system is not affected by the variation of g

Options

A. Both 'A' and 'R' are true and R' is the correct explanation of 'A'
B. Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'
C. A' is true and 'R' is false
D. A' is false and 'R' is true

Answer

A