NDA General Science Physics Questions Part 1

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Question : 45 of 100

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A solid is melted and allowed to cool and solidify again. The temperature is measured at equal intervals of time. The graph below shows the change of temperature with time.

The part of the curve that is practically horizontal due to

[NDA I 2015]

latent heat given away by the liquid
specific heat given away by the liquid
thermal capacity changes with time keeping temperature constant
change in density during transformation

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