Amplify Light Waves Chapter 2

Front

What type of wave can travel through matter (gas, liquid, solid) but not through space?

Back

Sound

Front

How does the wavelength of UV light compare to visible light?

Back

UV light has a shorter wavelength compared to visible light.

Front

What substance in the skin helps prevent skin cancer by absorbing UV light?

Back

Melanin

Front

What can light do when it hits a material?

Back

It can be absorbed, transmitted through, or reflected off of the material.

Front

Why can light from different sources have different effects on materials?

Back

Because sources can emit different types of light.

Front

What is the definition of light?

Back

Light is a form of electromagnetic radiation that is visible to the human eye.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

What is absorption in the context of light?

Back

Absorption is the process by which light is taken in by a material.

Front

What is transmission in terms of light waves?

Back

Transmission is the passing of light through a material without being absorbed.

Front

What is reflection?

Back

Reflection is the bouncing back of light when it hits a surface.