PHYSICS · Single correct · A Level · Physics · Engineering physics · Engineering physics
Problem
Assertion: In adiabatic expansion, the temperature of a gas always decreases.
Reason: In an adiabatic process, the exchange of heat is zero.
(1) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(2) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
(3) If Assertion is true but Reason is false.
(4) If Assertion is false but Reason is true.