Statement I: For two equal-volume samples with density ratio 2 : 5 and specific-heat ratio 5 : 2, their heat capacities are equal.
Statement II: For equal masses of those materials, their heat capacities are also equal.

Question

Statement I: For two equal-volume samples with density ratio 2 : 5 and specific-heat ratio 5 : 2, their heat capacities are equal.

Statement II: For equal masses of those materials, their heat capacities are also equal.

TestHub · Accepted Answer

For equal volumes, C Y ​ C X ​ ​ = ( 5 2 ​ ) ( 2 5 ​ ) = 1 . For equal masses, C Y ​ C X ​ ​ = C Y ​ C X ​ ​ = 2 5 ​ , not 1. Statement I is true; Statement II is false.

Physics - Heat & Thermo Question with Solution | TestHub

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