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wjen a vanderwalls  gas undergoes free expansion
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Asked by ashutosharnold1998 | 03 Apr, 2020, 01:25: AM
answered-by-expert Expert Answer
Heat energy is released by gas when it undergoes free expansion. Hence temperature decreases
Answered by Thiyagarajan K | 03 Apr, 2020, 07:57: AM

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JEE main - Physics
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