MHT CET 2023 Physics question
An insulated container contains a monoatomic gas of molar mass 'm'. The container is moving with velocity 'V'. If it is stopped suddenly, the change in temperature of a gas is [R is gas constant]
Answer: (C)
Solution
Consider 1 mole of gas of molar mass . Its kinetic energy of bulk motion, , is converted into internal energy of the gas when the insulated container stops suddenly (no heat is exchanged). For a monoatomic gas, ,
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