Question

Choose the correct statements among the following

• A. Heat capacity is the product of mass and specific heat.
• B. In SI system, thermal capacity and water equivalent are numerically equal.
• C. Heat always flows from higher temperature body to lower temperature body.
• D. At thermal equilibrium, rate of heat flow from hot body equals to the rate of heat flow from cold body.

Answer 1

The correct option is A Heat capacity is the product of mass and specific heat.

Heat capacity is defined as the total energy absorbed or released by a body divide by the change in temperature.

Heat capacity, $C=\frac{H}{\Delta t}$

$=\frac{ms\Delta t}{\Delta t}$

$=ms$

Where $m$ = mass

$s$ = specific heat