Latent Heat

IMPORTANT

Latent Heat: Overview

This Topic covers sub-topics such as Latent Heat, Melting Point of Ice, Latent Heat of Fusion, Specific Latent Heat of Fusion, Specific Latent Heat of Vapourization, Latent Heat of Vaporisation and, Temperature Versus Heat Graph for Heating of Ice

Important Questions on Latent Heat

HARD
IMPORTANT

Draw the temperature versus heat graph for heating of ice. Describe the phase change of the water on the basis of the graph. Explain the terms specific latent heat of fusion and specific latent heat of vaporization.

MEDIUM
IMPORTANT

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Identify the part representing latent heat of vaporization in the temperature vs heat graph for melting of ice.

MEDIUM
IMPORTANT

The amount of heat energy absorbed at constant temperature by unit mass of a liquid to convert into gaseous phase is called the specific latent heat of _____.

MEDIUM
IMPORTANT

The amount of heat energy absorbed at constant temperature by unit mass of a solid to convert into liquid phase is called the

EASY
IMPORTANT

Observe the following temperature Vs. time graph and fill in the blank:

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During transition of solid phase to liquid, the object absorbs _____ (electric \chemical \heat) energy, but its temperature does not increase.

EASY
IMPORTANT

Observe the following temperature Versus time graph and fill in the blank.

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The constant temperature, at which the ice converts into water is called the _____ point of ice.

(Choose from: boiling/melting)

EASY
IMPORTANT

Observe the following temperature Versus time graph and fill in the blank.

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When ice is heated it melts at _____ and converts into water at this constant temperature.

(Choose from: 0/50)

MEDIUM
IMPORTANT

At what temperature solid ice and liquid water coexist together? Write the numerical value in celsius scale.