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Select the incorrect statement from the ...

Select the incorrect statement from the following

A

The maximum amount of heat that can be converted into mechanical energy is 100%

B

The maximum amount of mechanical energy that can be converted into heat is 100 %

C

By opening the door of a working refrigerator in a room, you can cool the surrounding air

D

In an adiabatic expansion of a gas, the product of pressure and volume increases

Text Solution

Verified by Experts

The correct Answer is:
B
To show that (d) is wrong. Use the relation `PV^gamma` = constant .
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