(1): It is observed that when a liquid is heated in a vessel its level does not change.
(2): coefficient of real of the liquid = coefficient of volume expansion of the vessel

Both 1 and 2 are true and 2 is the correct explanation of 1

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Both 1 & 2 are true but 2 is not the correct explanation of 1.

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1 is true but 2 is false

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1 is false but 2 is true

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Solution

The correct option is A Both 1 and 2 are true and 2 is the correct explanation of 1
When both liquid and vessel have same coefficients of expansion then there will no change in level of the liquid. Both assertion and reason are true and reason is correct explanation.
Hence option(A).

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