NEET Physics Young's Modulus Assertion Reason Question
Assertion (A): Young's modulus is relevant only for solids because they have definite lengths and shapes. | Reason (R): Young's modulus measures the ability of a material to withstand changes in length when under tension or compression.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false.
Correct Answer
Detailed Explanation
Young's modulus is applicable only to solids due to their definite shapes and lengths. It measures the material's ability to resist changes in length when subjected to stress, as stated in the NCERT context.
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