The rate of flow of heat per unit area per unit temperature gradient across the solid is called………..

The unit of temperature gradient is

What is the force per unit area?

Braking froce per unit area of cross section of a wire is called

Write CGS units o area, force, temperature and heat.

Write CGS units o area, force, temperature and heat.

Two bodies A and B at temperatures T_(1)K and T_(2)K respectively have the same dimensions. Their emissivities are in the ratio of 1 : 3 . If they radiate the same amount of heat per unit area per unit time, then the relation between their temperatures is given by

The "______" exerted by a liquid at rest per unit area normal to the surface in contact with the liquid is called pressure.