Physics-
General
Easy

Question

In the given p-V diagram, I is the initial state and F is the final state
The gas goes from I to F by
i) IAF
ii) IBF
iii) ICF
The heat absorbed by gas is

  1. The same in all three processes    
  2. The same in (i) and (ii)    
  3. Greater in (i) than in (ii)    
  4. Greater in (iii) than in (ii)    

The correct answer is: Greater in (iii) than in (ii)


    Initial and final states are same an all the process
    Hence, increment U equals 0 in each case
    By p increment V equals increment Q equals increment W equals Area enclosed by curve with volume axis
    because open parentheses A r e a close parentheses subscript 1 end subscript less than open parentheses A r e a close parentheses subscript 2 end subscript less than open parentheses A r e a close parentheses subscript 3 end subscript
    rightwards double arrow Q subscript 1 end subscript less than Q subscript 2 end subscript less than Q subscript 3 end subscript

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