Light Waves Amplify Chapter 2

Front

What type of light do all light sources emit?

Back

Absolutely not; different light sources emit different types of light.

Front

What is the distance from one peak of a wave to the next called?

Back

Wavelength.

Front

What describes the number of waves that pass in a second?

Back

Frequency.

Front

What does it mean to 'give off' light?

Back

To emit.

Front

What is a pattern that describes how energy is carried from one place to another?

Back

A wave.

Front

What is the term for the height of a wave from its rest position?

Back

Amplitude.

Front

What is the speed at which light travels in a vacuum?

Back

Approximately 299,792 kilometers per second.

Front

What is the relationship between wavelength and frequency?

Back

They are inversely related; as wavelength increases, frequency decreases.

Front

What is the term for the color of light emitted by a source?

Back

Light spectrum.

Front

What is the phenomenon called when light bends as it passes from one medium to another?

Back

Refraction.