Physics · 2025
JEE Main · 24 January 2025, Shift 2 · Q33
Given below are two statements. One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): In an insulated container, a…
Given below are two statements. One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : In an insulated container, a gas is adiabatically shrunk to half of its initial volume. The temperature of the gas decreases.
Reason (R) : Free expansion of an ideal gas is an irreversible and an adiabatic process.
In the light of the above statements, choose the correct answer from the options given below :
Official answer
From NTA’s final answer key for this paper.
(1)
(A) is false but (R) is true
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.