Work Done in a Free Expansion Process is

By Mona Kumari|Updated : June 27th, 2022

Work done in a free expansion process is______.

  1. Positive
  2. Negative
  3. Zero
  4. None of the above

Answer c. Zero

Work done in a free expansion process is zero.

Solution

Work done in a free expansion process is zero. No external pressure acts on the gas during a free expansion, causing it to expand. The gas expands on its own when no external pressure is applied. The work done during free expansion is little or negligible because the external pressure is zero.

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