MHT CET Physics question

Heat is absorbed by a body but its temperature does not rise. The following statement explain the phenomena of

(A)only kinetic energy of vibration increase
(B)only potential energy of inter molecular force fields increasesCorrect
(C)the internal energy is not increases
(D)increase in kinetic energy is balanced by decrease in its potential energy

Answer: (B)

Solution

Temperature depends on the molecular kinetic energy; if it does not rise, the kinetic energy is unchanged and the absorbed heat goes into increasing the intermolecular potential

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Question ID VK-062580