Front

What are Gamma Rays?

Back

High energy electromagnetic waves.

Front

What principle of light is demonstrated when a spotlight is directed onto a mirror surface?

Back

Reflection of light.

Front

Why does a pencil appear broken when placed in a cup of water?

Back

Because light bends when it passes through water.

Front

What can light travel through?

Back

Light can travel through matter (gas, liquid, solid) and empty space.

Front

What determines how much energy a wave carries?

Back

Amplitude.

Front

What is the definition of wavelength?

Back

The distance between two consecutive peaks or troughs in a wave.

Front

What is refraction?

Back

The bending of light as it passes from one medium to another.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second.

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation.

Front

What is the relationship between frequency and wavelength?

Back

Higher frequency means shorter wavelength.