Specific Heat


Temperature and Heat I - Concepts
Class - 7th CBSE Subjects
 
 
Concept Explanation
 

Specific Heat

Specific Heat:

The amount of heat required to raise a particular mass of a substance through a certain temperature depends on its specific heat capacity.

The specific heat capacity or specific heat of a substance is defined as the amount of heat required to raise the temperature of 1 kg of the substance through 1 °C.

Heat Capacity

Heat capacity is defined as the quantity of heat required to raise its temperature by 1°C.

Heat Capacity = Specific Heat X Mass

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Sample Questions
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Question : 1

What is the unit of specific heat capacity ?

 

Right Option : C
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Question : 2

____________________  is defined as the quantity of heat required to raise its temperature by 1°C.

Right Option : B
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Question : 3

Which of the following are correct ?

(a) Specific heat is defined as the amount of heat required to raise a particular mass of a substance through a certain temperature .

(b) The specific heat capacity  is defined as the quantity of heat required to raise its temperature by 1°C.

(c) The Quantity of heat (Q)= specific heat(s) X mass (m) X change in temperature (t).

Right Option : C
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