The internal energy of an ideal gas depends only on its:

Which of the following best defines heat?

Sublimation refers to the direct change of state from:

Charles's law relates volume of a gas to its:

The distance between two consecutive crests of a wave is called:

Which gas law states that pressure is inversely proportional to volume at constant temperature?

The number of complete waves passing a point per second is called:

The efficiency of a heat engine is defined as the ratio of:

Sound waves are an example of:

Which of the following best describes 'latent heat'?

The speed of sound is greatest in: