Thermal Physics

Q2. Temperature and heat are the same physical quantity.

Q3. Radiation needs a material medium for transfer of heat.

Q4. Convection involves bulk movement of a fluid.

Q5. Heat always flows from a colder body to a hotter body without external work.

Q6. Heat flows spontaneously from a colder body to a hotter body.

Q7. Temperature measures the degree of hotness or coldness.