Thermal Propert...

When water is heated from $$0^{\circ}C$$ to higher temperatures, its volume

The value of gas constant $$R$$ (in cal/mol-K) for hydrogen is :

The speed at which heat energy is propagated in vacuum is approximately :

The radiation of an electric room heater is most effective when it is :

The temperature, to which a gas must be cooled before it can be liquified by pressure alone, is known as its 

The air becomes heated by

Essential requirement to propagation Heat energy: 

Water in a container is heated from $$0^{\circ}$$ to $$10^{\circ}C$$. Its volume :

Transmission of heat by the movement of heated particles is called

The most commonly used thermometric substance is