Question

define specific heat and give its unit?
this question is from class 9th my brother dont know its answer​

Answer 1

Answer:

Informally, it is the amount of energy that must be added, in the form of heat, to one unit of mass of the substance in order to cause an increase of one unit in temperature. ... The SI unit of specific heat is joule per kelvin and kilogram, J/(K kg).

Answer 2

Answer:

Specific heat capacity is defined as the amount of heat required to raise the temperature of 1 kilogram of a substance by 1 kelvin (SI unit of specific heat capacity J kg−1 K−1).