(A) : The spring constant of a spring is k. When it is divided into n equal parts, then spring constant of one piece is nk.
(B): The spring constant is independent of material used for the spring.

Options

A. Both 'A' and 'R' are ture 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

C