Heat is a form of ________.

(a)

electrical energy

(b)

gravitational energy

(c)

thermal energy

(d)

None of these

If you apply some heat energy to a substance, which of the following can take place in it?

(a)

Expansion

(b)

Increase in temperature

(c)

Change of state

(d)

All the above

Which of the following substances will absorb more heat energy?

(a)

Solid

(b)

Liquid

(c)

Gas

(d)

All the above

If you apply equal amount of heat to a solid, liquid and gas individually, which of the following will have more expansion?

(a)

Solid

(b)

Liquid

(c)

Gas

(d)

All of above

The process of converting a liquid into a solid is called_________.

(a)

sublimation

(b)

condensation

(c)

freezing

(d)

deposition

Conduction is the heat transfer which takes place in a____________.

(a)

solid

(b)

liquid

(c)

gas

(d)

All of them

A calorimeter is a device used to measure the________.

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heat capacity of a liquid

_______ is defined as the amount of heat required to raise the temperature of 1kg of a substance by 1°C.

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specific heat capacity

A thermostat is a device which maintains _________.

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Constant temperature

The process of converting a substance from gas to solid is called_________.

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deposition

If you apply heat energy, the temperature of a system will ________.

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increase

If the temperature of a liquid in a container is decreased, then the interatomic distance will ___________.

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decrease

The applied heat energy can be realized as an increase in the average kinetic energy of the molecules.

(a) True

(b) False

The dimensions of a substance are increased if the temperature of the substance is decreased.

(a) True

(b) False

The process of converting a substance from solid to gas is called condensation.

(a) True

(b) False

Convection is the process by which the thermal energy flows in solids.

(a) True

(b) False

The amount of heat gained by a substance is equal to the product of its mass and latent heat.

(a) True

(b) False

In a thermos flask, the silvered walls reflect and radiate the heat to the outside.

(a) True

(b) False

Conduction

(1)

Solid to gas

Convection

(2)

Gas to liquid

Radiation

(3)

Liquid

Sublimation

(4)

Gas

Condensation

(5)

Solid