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JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Analyzing +4 | -1
Assertion: A temperature change which increases the length of a steel rod by 1%1 \% will increase its volume by 3%.3 \%.
Reason: The coefficient 1 volume expansion is nearly three times the coefficient of linear expansion.
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Correct option: A
If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion
Option A (If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion) is correct because volume expansion is approximately three times the linear expansion.

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