MCQ- 3 ICSE Physics class 10 ch-5 Heat

Specific Heat Capacity - Class 10 Physics

1. What does specific heat capacity measure?

The heat required to melt an object
The heat required to raise the temperature of 1 kg of a substance by 1°C
The heat required to turn liquid into gas
The energy produced by an object

Correct Answer: The heat required to raise the temperature of 1 kg of a substance by 1°C

2. Which of the following substances has the highest specific heat capacity?

Water
Copper
Lead
Aluminium

Correct Answer: Water

3. What is the SI unit of specific heat capacity?

Joule per kilogram per degree Celsius (J/kg°C)
Newton per second (N/s)
Watt (W)
Joule (J)

Correct Answer: Joule per kilogram per degree Celsius (J/kg°C)

4. Which instrument is commonly used in the experiment to measure the heat absorbed by a substance?

Thermometer
Barometer
Calorimeter
Hydrometer

Correct Answer: Calorimeter

5. If the specific heat capacity of water is 4200 J/kg°C, how much heat is required to raise the temperature of 2 kg of water by 5°C?

42000 J
4200 J
21000 J
8400 J

Correct Answer: 42000 J