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Question

What is the SI unit of specific heat capacity?


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Solution

Definition of Specific Heat Capacity: Specific heat capacity of a substance is defined as the heat required by the unit mass of a substance to raise the temperature by 1°C or 1K.

Formula of Specific Heat Capacity: Specific Heat Capacity, c=qmt, where m is the mass of substance, q is heat absorbed, and t is the change in temperature.

S.I. unit of Specific Heat Capacity:

Unitofc=Jkg×KUnitofc=Jkg-1K-1

Thus, the S.I. unit of specific heat capacity is Jkg-1K-1.


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