6P1.2 Light Waves

Front

What happens when light passes through a prism?

Back

White light is separated into different colors because each color bends at a different angle.

Front

What is visible light?

Back

Visible light is a small part of the electromagnetic spectrum that can be detected by the human eye.

Front

What part of the human eye controls the size of the pupil?

Back

The iris controls the size of the pupil.

Front

What is the sequence of events that allows us to see green grass?

Back

Light is produced. Green light waves reflect off the grass. The human eye sees the image as green grass.

Front

What is the relationship between frequency and wavelength of waves?

Back

As frequency increases, wavelength gets shorter.

Front

What is a wave?

Back

A wave is a disturbance that transfers energy from one place to another without transferring matter.

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, including visible light.

Front

What is reflection of light?

Back

Reflection is when light bounces off a surface.

Front

What is refraction of light?

Back

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

Front

What is the speed of light?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second.