Light Review

Front

What is light?

Back

Energy carried by electromagnetic waves.

Front

What is the term for light bouncing off an object?

Back

Reflection.

Front

What happens to the speed of light as it moves from one material to another medium with a higher density?

Back

The speed decreases.

Front

What is the combination of two waves to make a resultant wave called?

Back

Interference.

Front

Complete the sentence: Sound waves are ____________ waves and light waves are ________ waves.

Back

Mechanical, electromagnetic.

Front

What is refraction?

Back

The bending of light as it passes from one medium to another.

Front

What is diffraction?

Back

The spreading of light waves as they pass through a narrow opening.

Front

What is absorption in terms of light?

Back

The process by which light is taken in by an object.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second.

Front

What is a prism used for?

Back

To refract light and separate it into its component colors.