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# Assertion: When a solid iron ball is heated, the percentage increase is its largest volume is largest.Reason: Coefficient of superficial expansion is twice that of linear expansion whereas coefficient of volume expansion is three times of linear expansion.A. Both Assertion and Reason are correct and Reason is the correct explanation for AssertionB. Both Assertion and Reason are correct but Reason is not the correct explanation for AssertionC. Assertion is correct but Reason is incorrectD. Both Assertion and Reason are incorrect

Last updated date: 16th Mar 2023
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Hint:To answer this question, we first need to know the value of coefficient of volume expansion which is $\gamma = 3\alpha$ and $\gamma = 1.5\beta$ which is 3 times the linear expansion and 1.5 times the areal expansion.