Electromagnetic Waves and Their Properties

Front

What happens to the wavelength when the frequency of a wave increases?

Back

The wavelength decreases.

Front

Which electromagnetic waves from fluorescent lamps mainly cause plants to get warm?

Back

Infrared.

Front

In visible light, which color has the highest frequency?

Back

Violet.

Front

What are electromagnetic waves with wavelengths shorter than ultraviolet rays but longer than gamma rays?

Back

X-rays.

Front

What do all electromagnetic waves have in common in a vacuum?

Back

They all have the same speed.

Front

Define electromagnetic waves.

Back

Electromagnetic waves are waves that can travel through the vacuum of space and consist of oscillating electric and magnetic fields.

Front

What is the speed of electromagnetic waves in a vacuum?

Back

Approximately 299,792 kilometers per second (or about 300,000 kilometers per second).

Front

What is the relationship between frequency and wavelength in electromagnetic waves?

Back

As frequency increases, wavelength decreases.

Front

Name the types of electromagnetic waves in order of increasing frequency.

Back

Radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, gamma rays.

Front

What type of electromagnetic radiation is used in remote controls?

Back

Infrared radiation.