Question

How do you define specific heat ? What is specific heat of water ?

Answer 1

It is defined as the amount of heat required to raise the temperature of 1 g of a substance through 1${}^o$ C.

Specific heat of water is $4200Jk{g}^{-1}{K}^{-1}$ in SI units and $1cal{g}^{-1o}{C}^{-1}$ in CGS system.