MHT CET 2024 Physics question

A monoatomic ideal gas is heated at constant pressure. The percentage of total heat used in changing the internal energy is

(A)30%
(B)40%
(C)50%
(D)60%Correct

Answer: (D)

Solution

At constant pressure the heat supplied is , while the change in internal energy (for any ideal gas, any process) is . The fraction of heat used to change the internal energy is therefore $ =

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Question ID VK-099642