Light Waves Amplify Chapter 2

Front

Light from different sources can have different effects on material because...

Back

light sources can emit different types of light.

Front

to "take in" is to _____

Back

absorb

Front

to "give off" is to _____

Back

emit

Front

The distance from one peak of a wave to the next is the ____

Back

wavelength

Front

A pattern that describes how energy is carried from one place to another is a ___

Back

wave

Front

An object that emits light is a ___

Back

light source

Front

When something has the ability to make things move or change, it has _____

Back

energy

Front

Wave height is called ___

Back

amplitude

Front

The number of waves that pass in a second describes a wave's ___

Back

frequency

Front

These graphs show the wavelength and amplitude of light coming from three lasers. Could any of these lasers be giving off a different type of light?

Back

Yes. Laser 2 could be giving off a different type of light because Laser 2 has a different wavelength than Lasers 1 and 3.