Question:medium

In a free expansion of a gas

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Work done ($w = -P_{ext}\Delta V$) is zero in free expansion because $P_{ext} = 0$.
Updated On: Apr 27, 2026
  • heat absorbed is zero.
  • work done is zero.
  • initial pressure is zero.
  • internal energy change is zero.
  • external pressure is zero.
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The Correct Option is

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