Light Lesson 1 - How Light Travels

Front

What is the speed of light in air compared to water?

Back

Light travels faster in air than in water.

Front

What allows light to pass through glass windows?

Back

Transmission.

Front

Is the energy of an electromagnetic wave related to its amplitude?

Back

No, it is not related to amplitude.

Front

Is the energy of an electromagnetic wave related to its frequency?

Back

Yes, it is related to frequency.

Front

What type of energy does light carry?

Back

Radiant energy.

Front

What is the term for the bending of light as it passes from one medium to another?

Back

Refraction.

Front

What happens to light when it hits a reflective surface?

Back

It bounces back, a process known as reflection.

Front

What is the phenomenon called when light is absorbed by a material?

Back

Absorption.

Front

What is the term for the spreading out of light waves as they pass through a narrow opening?

Back

Diffraction.

Front

What is the electromagnetic spectrum?

Back

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