The question given below consist of an "Assertion"

Physics Thermodynamics General MCQ (Single Correct)

and "Reason" (R) Type question. Use the following Key to choose the appropriate answer. Assertion: We can change the temperature of a body without giving (or taking) heat to (or from) it. Reason: According to principle of conservation of energy, total energy of a system should remain conserved If both and (R) are true, and (R) is the correct explanation of . and (R) are true but (R) is not the correct explanation of . is true but (R) is false. is false but (R) is true.

If both

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Assertion is true and reason is false. We can change the temperature of a body without giving

(or taking) heat to (or from) it. For example, in an adiabatic compression temperature rises and in an adiabatic expansion temperature falls, although no heat is given (or taken) from the system in the respective changes.

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