Thermal Energy Quiz

The internal energy of atoms or molecules constitute

• Only Kinetic energy

• Only Potential energy

• Both Kinetic and Potential energies

• None of these

The random motion of suspended particles of dust in the atmosphere is called .......................

If S = Solids, L = Liquids and G = Gases. Which of these represent the correct arrangement for intermolecular forces of attraction between the different states of matter ?

• S > L > G

• G > L > S

• G > S > L

• G = L < S

What process occurs when a hot object is in contact with a cold object ?

• Heat absorption

• Heat transfer

• Thermal insulation

• Heat loss

The measurement of hotness or coldness of a body is called?

• Kelvin

• Temperature

• Heat

• Calorie

Transfer of heat or thermal energy occurs from the region of

• higher temperature to lower temperature

• lower temperature to higher temperature

• same temperatures

• None of these

Choose the parameters that apply to liquid-in-glass thermometers.

• Responsiveness

• Sensitivity

• Range

• Resistivity

• Linearity

The phenomenon of increase in volume when a steel bar is heated is called ..................

• heat expansion

• thermal expansion

• heat contraction

• volume expansion coefficient

Choose the material having the highest rate of expansion per meter for 100 degree celcius.

• Copper

• Aluminum

• Invar

• Pyrex glass

A .......................... is used in thermostats for regulating temperature.

• mercury

• bimetallic strip

• bulb

• thermal sensor