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Home / Doubts and Solutions/NEET/Physics

A sample of ideal gas gamma=1.4,is heated at constant pressure. If an 100joule is supplied to gas the work done by the gas is? Options are 42.12,56.28,28.57,36.23 all are in joules. 

Asked by Priyanka 13th November 2017, 11:05 PM
Answered by Expert
Answer:
begin mathsize 20px style increment Q equals n C p left parenthesis T 2 minus T 1 right parenthesis equals 100 J space space space.........................1 increment U equals n C v left parenthesis T 2 minus T 1 right parenthesis equals fraction numerator C v over denominator C p end fraction n C p left parenthesis T 2 minus T 1 right parenthesis equals 1 over r x 100 equals fraction numerator 100 over denominator 1.4 end fraction equals 71.42 space J w o r k d o n e space equals increment w equals increment Q minus increment U equals 100 minus 71.42 equals 28.57 J end style
Answered by Expert 4th December 2017, 12:27 PM
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