MCQ- 5 ICSE Physics class 10 ch-5 Heat

Principle of Calorimetry & Heat Capacity - Class 10 Physics

1. What is the principle of calorimetry based on?

Law of Reflection
Law of Conservation of Energy
Newton's Third Law
Archimedes' Principle

Correct Answer: Law of Conservation of Energy

2. Why is water used as a cooling agent in radiators?

It has a high specific heat capacity.
It is colorless.
It is easily available.
It freezes quickly.

Correct Answer: It has a high specific heat capacity.

3. Which of the following has the highest specific heat capacity?

Iron
Copper
Water
Mercury

Correct Answer: Water

4. What happens when a hot object is mixed with a cold object in a calorimeter?

Heat lost by hot object = Heat gained by cold object.
Both objects gain heat.
Both objects lose heat.
Temperature remains constant.

Correct Answer: Heat lost by hot object = Heat gained by cold object.

5. Which of the following materials has low specific heat capacity?

Water
Wood
Lead
Ice

Correct Answer: Lead