Front

What do we see when an apple appears red?

Back

The apple reflects red visible light.

Front

What is the definition of wavelength?

Back

Wavelength is the distance between two consecutive peaks or troughs in a wave.

Front

Which type of electromagnetic wave has the largest wavelength?

Back

Radio waves have the largest wavelength.

Front

What is a wave trough?

Back

A trough is the lowest point of a wave.

Front

What color absorbs all visible light?

Back

Black absorbs all visible light.

Front

What happens to light when it is reflected?

Back

When light is reflected, it bounces off a surface.

Front

What is the relationship between wavelength and frequency?

Back

Wavelength and frequency are inversely related; as one increases, the other decreases.

Front

What is the speed of light in a vacuum?

Back

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

Front

What is refraction?

Back

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

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation.