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A certain amount of an ideal gas initially at a pressure P1 and temperature T1. First, it undergoes a constant pressure process 1 – 2 such that T2 = 3T1/4. Then, it undergoes a constant volume process 2 – 3 such that T3 = T1/2. The ratio of the final volume to the initial volume of the ideal gas is

  1. 0.25
  2. 0.75
  3. 1.0
  4. 1.5
  5. 2

Answer (Detailed Solution Below)

Option 2 : 0.75
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Detailed Solution

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Concept:

For process 1 – 2 : P1 = P2

For process 2 – 3: V2 = V3

Now,  

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