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Mechanical Properties Of Fluids

Question
CBSEENPH11019517

Is specific heat of solid constant throughout the range of temperature? Discuss. 

Solution
No, the specific heat of solid is not constant throughout the range of temperature.
Specific heat of solid is constant only in the higher range of temperature. In the lower range, specific heat increases with temperature, which is in accordance with the Debye's law. 
Debye's law is, 
                          Cv ∝ T