Assertion: When a solid iron ball is heated, percentageincrementis ...

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Assertion: When a solid iron ball is heated, percentageincrementis its volume is largest.
Reason: Coefficient of superficial expansion is twice that of linear expansion where as coefficient of volume expansion is three time of linear expansion.
(1) If both Assertion and Reason are true and the Reason is the crrect explanation of the Assertion.
(2) If both Assertion and Reason are true but the Reason is not the correct explanation of the
Assertion.
(3) If Assertion is true but Reason is false.
(4) If both Assertion and Reason are false.
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