MCQ
Given below are two statements: One is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$.
Assertion $(A)$:The stretching of a spring is determined by the shear modulus of the material of the spring.
Reason $(R)$:A coil spring of copper has more tensile strength than a steel spring of same dimensions.
In the light of the above statements, choose the most appropriate answer from the options given below:
- ABoth $(A)$ and $(R)$ are true and $(R)$ is not the correct explanation of $(A)$
- ✓$(A)$ is true but $(R)$ is false
- C$(A)$ is false but $(R)$ is true
- DBoth $(A)$ and $(R)$ are true and $(R)$ is the correct explanation of $(A)$