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1 markPaper 1 · Multiple choiceFirst Law of Thermodynamics

CAPE Physics Unit 1 · 2009 · Paper 1 · Question Q41

The first law of thermodynamics may be written as \Delta U = Q + W. For an isothermal process this equation becomes

  1. (A)\Delta U = Q
  2. (B)\Delta U = W
  3. (C)Q = W - \Delta U
  4. (D)Q = -W

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