Heat and Thermody… | NUST Entrance Test Physics

If an amount of heat Q enters the system:

Difficulty: Easy

A:

It causes an increase in internal energy

B:

A certain quantity of work is done

C:

Both a and b

D:

None

If P is the pressure and V is the volume, then PV will represent:

Difficulty: Easy

A:

Power

B:

Work

C:

Force

D:

None

Which of the following act as a heat pump?

Difficulty: Easy

A:

Refrigerator

B:

Air conditioner

C:

Deep Freezers

D:

All of the above

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