Exam 1b

Front

What happens to the appearance of an object moving near the speed of light?

Back

The object appears shorter due to the effects of length contraction.

Front

What is the term for the hidden heat absorbed or released during a change of state?

Back

Latent heat.

Front

What force is responsible for binding subatomic particles in an atomic nucleus?

Back

Strong nuclear force.

Front

According to the kinetic theory of matter, why does sound travel faster in hot air?

Back

Particles collide more often in hot air.

Front

What is the process called when a gas changes into a liquid?

Back

Condensation.

Front

What is the term for the energy required to change a substance's temperature?

Back

Heat capacity.

Front

What is the phenomenon called when a solid changes directly into a gas?

Back

Sublimation.

Front

What is the term for the energy released when a substance freezes?

Back

Heat of fusion.

Front

What is the primary force that acts between charged particles?

Back

Electromagnetic force.

Front

What is the term for the change of state from liquid to gas?

Back

Evaporation.