NEET Physics Thermal Expansion Assertion Reason Question
Assertion (A): Linear expansion occurs when a material's length increases due to a temperature rise. | Reason (R): The coefficient of volume expansion is three times the coefficient of linear expansion for isotropic materials.
Both A and R are true, and R explains A.
Both A and R are true, but R does not explain A.
A is true but R is false.
A is false.
Correct Answer
Detailed Explanation
While both the assertion and reason are true, the reason provided does not explain the assertion. Linear expansion is specifically about changes in length, while the reason relates to the relationship between volume and linear expansion.
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