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:

b In stretching of a spring shape charges therefore shear modulus is used. $Y _{\text {copper }}< Y _{\text {stoel }}$

Question

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 $(A)$
B$(A)$ 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 $(A)$

NEET 2022, Medium

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