PS TEST - 3 ( X

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PS TEST - 3 ( X - HEAT )

EFFORTS NEVER FAIL

NAME : *

1. Which of the following is increase when heat energy supplied to the ice? *

1 point

Temperature

Volume

Internal energy

All the above

2. The process of converting solid into a liquid is called *

1 point

Melting

Boiling

Freezing

None of the above

3. During the process conversion from liquid to solid, the internal energy of water is *

1 point

Remains constant

Increases

Decreases

None of the above

4. How much energy is transferred when 1gm of boiling water at 100oC condenses towater a 100oC? *

1 point

540 Cal

80 Cal

60 Cal

720 Cal

5. If there is a thermal equilibrium between two bodies, then *

1 point

Two bodies have different temperatures

Two bodies have same temperatures

The masses of two bodies are equal

The volume of two bodies are equal

6. Which of the following is a surface phenomenon? *

1 point

Evaporation

Condensation

Freezing

Melting

7. Latent heat of fusion of ice is cal/ gm *

1 point

100

500

540

8. The amount of water vapour present in air is called *

1 point

Humidity

Fog

Dew

Latent heat

9. Which of the following is used as a coolant *

1 point

Air

Ice

Water

Kerosene

10. SI unit of temperature is *

1 point

Celsius

Kelvin

Fahrenheit

Calorie

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