Energy 5.6ABC

Front

What happens to light when it travels from air into a prism?

Back

It bends and separates into many colors.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, such as from air into water.

Front

What is reflection of light?

Back

Reflection is when light bounces off a surface, like a mirror.

Front

What do we call the angle at which light hits a surface?

Back

The angle of incidence.

Front

What is the angle of reflection?

Back

The angle at which light reflects off a surface, equal to the angle of incidence.

Front

What is a fiber optic?

Back

A thin glass fiber that transmits light through total internal reflection.

Front

What happens to light when it hits a wall?

Back

It is reflected or absorbed, depending on the surface.

Front

What is the difference between transparent, translucent, and opaque materials?

Back

Transparent materials allow light to pass through clearly, translucent materials allow some light but not clear images, and opaque materials do not allow light to pass through.

Front

What is total internal reflection?

Back

It occurs when light hits a boundary at a steep angle and reflects completely back into the medium.

Front

How does light travel?

Back

Light travels in straight lines.