The initial pressure and volume of a gas are P and V respectively. First, its volume is expanded to 4V by an isothermal process and then compressed adiabatically to volume V. The final pressure will be (γ = 1.5):

1. 8P 2. 4P
3. P 4. 2P
Subtopic:  Types of Processes |
 72%
Level 2: 60%+
AIPMT - 1999
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Which one of the following processes is reversible?

1.  Transfer of heat by radiation
2. Transfer of heat by conduction
3. Isothermal compression
4. Electrical heating of a nichrome wire
Subtopic:  Types of Processes |
 78%
Level 2: 60%+
AIPMT - 2005
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