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JIPMER 2004
Exam
JIPMER
Year
2004
Subject
Physics
Chapter
Thermodynamics

JIPMER 2004 · Physics · Thermodynamics

Amount of work which can be obtained from 200 cal heat, will be

Amount of work which can be obtained from 200200 cal heat, will be

Options

  1. A280 J
  2. B800 J
  3. C420 J
  4. D840 J

Correct answer

D. 840 J

Step-by-step solution

Amount of work done is given by W=200cal=200×4.2 J=840 JW=200 \mathrm{cal}=200 \times 4.2 \mathrm{~J}=840 \mathrm{~J}
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