The transfer of heat energy through direct contact of particles in a substance is known as:

The SI unit of power is:

which of the following material has large value of temperature coefficient of linear expansion?

Which material is a good conductor of heat?

The phenomenon of increase in volume of a substance due to the absorption of heat is called:

The SI unit of heat is:

The phenomenon of change in volume of a substance due to change in temperature is called:

The heat required to change a substance from a solid to a liquid at its melting point is known as:

Which of the following substances has the highest thermal conductivity?

The specific heat capacity of a substance is defined as the amount of heat required to raise the temperature of one gram of the substance by:

When a gas is compressed, its temperature:

Normal human body temperature is

Which of the following statements is true about an ideal blackbody?

Boyle’s law describes the relationship between:

Which of the following is a measure of the average kinetic energy of the particles in a substance?

The process of heat transfer in which heat is transferred by the movement of fluids (liquids or gases) is called:

which of the following affects evaporation?

The method of heat transfer in which heat travels in the form of electromagnetic waves is called:

Mercury is used as themometric meterial because it has

The triple point of water is defined as:

The process of changing a substance from a solid state directly to a gaseous state is called:

The relationship between the pressure and volume of a gas at constant temperature is described by:

Which of the following is a good insulator of heat?

Which of the following material has large specific heat?

The temperature at which a substance changes from a liquid to a gas is called:

Water freezes at