Light - Reflection and Refraction

Front

How do we see an object?

Back

Light reflects off the object and into our eyes.

Front

What is the process called when light bounces off a surface?

Back

Reflection.

Front

What happens to light when it passes through sunglasses or tinted windows?

Back

Reflection.

Front

What is a transparent object?

Back

An object that allows light to pass through it completely.

Front

What does it mean to refract?

Back

To bend light as it passes from one medium to another.

Front

What is an opaque object?

Back

An object that does not allow light to pass through.

Front

What is a translucent object?

Back

An object that allows some light to pass through but not enough to see clearly.

Front

What is the angle of incidence?

Back

The angle between the incoming light ray and the normal line.

Front

What is the angle of reflection?

Back

The angle between the reflected light ray and the normal line.

Front

What is the normal line in reflection?

Back

An imaginary line perpendicular to the surface at the point of incidence.