Lightwaves

Front

What is the crest of a light wave?

Back

The highest point of a light wave.

Front

What is the trough of a light wave?

Back

The lowest point of a light wave.

Front

Define wavelength in the context of light waves.

Back

The distance between two consecutive crests or troughs in a light wave.

Front

What is light intensity?

Back

The amount of energy light waves carry to an area.

Front

What happens when white light passes through a prism?

Back

It disperses into a spectrum of colors, creating a rainbow.

Front

What is the relationship between wavelength and frequency?

Back

Wavelength is inversely proportional to frequency; as wavelength increases, frequency decreases.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (km/s).

Front

What is refraction?

Back

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

Front

What is reflection in terms of light waves?

Back

The bouncing back of light waves when they hit a surface.

Front

What is the electromagnetic spectrum?

Back

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