Question

The SI unit of thermal capacity is ;

• A. $Jk{g}^{-1}{K}^{-1}$
• B. $J^{-1}kg{K}^{-1}$
• C. $J{K}^{-1}$
• D. $Jkg{K}^{-1}$

Answer 1

Answer: (C)

$J{K}^{-1}$

The heat or thermal capacity of a defined system is the amount of heat required to raise the system's temperature by one degree. It is expressed in units of thermal energy per degree temperature.

$q=C\times t$

$C=\frac{q}{△t}$

here,$C=$heat or thermal capacity
$q=$heat required (J)
$△t=t_1-t_2$ (K)

so,The S.I. unit of heat or thermal capacity is $J{K}^{-1}$