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Internal energy of a system increases by 60 J when 140 Jof heat is added to the gaseous system. The amount of work done would be:
  • a)
    80 J
  • b)
    100 J
  • c)
    200 J
  • d)
    140 J
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Internal energy of a system increases by 60 J when 140 Jof heat is add...
We know that dq = dU + dW
And as dU =  60 and dq = 140J
We get dW = 140 - 60 = 80J
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Community Answer
Internal energy of a system increases by 60 J when 140 Jof heat is add...
DQ= DU+DW.DW =DQ-DW.DW= 140 - 60.DW=80 j .as heat is given to system so, DQ is taken as positive.
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Internal energy of a system increases by 60 J when 140 Jof heat is added to the gaseous system. The amount of work done would be:a)80 Jb)100 Jc)200 Jd)140 JCorrect answer is option 'A'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Internal energy of a system increases by 60 J when 140 Jof heat is added to the gaseous system. The amount of work done would be:a)80 Jb)100 Jc)200 Jd)140 JCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Internal energy of a system increases by 60 J when 140 Jof heat is added to the gaseous system. The amount of work done would be:a)80 Jb)100 Jc)200 Jd)140 JCorrect answer is option 'A'. Can you explain this answer?.
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