Light Waves Review

Front

What does it mean to absorb light?

Back

To take in light energy rather than reflecting or transmitting it.

Front

What must an object do to change due to light?

Back

The object must absorb the light and its energy.

Front

What type of sunlight can cause skin cancer?

Back

Ultraviolet light.

Front

How can different types of light be identified?

Back

By their wavelengths.

Front

Why do different light sources have different effects on materials?

Back

Because sources can emit different types of light.

Front

What is the definition of wavelength?

Back

The distance between successive crests of a wave.

Front

What is the relationship between frequency and wavelength?

Back

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

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second.

Front

What is reflection in terms of light?

Back

The bouncing back of light when it hits a surface.

Front

What is transmission in the context of light?

Back

The passing of light through a material.