REQUIRED Waves Test 2 Review (Updated 2023)

Front

What section of the electromagnetic spectrum can we see?

Back

Visible Light

Front

Which electromagnetic waves have the highest frequencies and the shortest wavelengths?

Back

Gamma Rays

Front

Why is a light wave not considered a mechanical wave?

Back

A light wave travels through the vacuum of space.

Front

What type of wave is a light wave?

Back

An electromagnetic wave.

Front

What are the characteristics of gamma rays?

Back

Gamma rays have the highest frequencies and the shortest wavelengths in the electromagnetic spectrum.

Front

What is the difference between mechanical waves and electromagnetic waves?

Back

Mechanical waves require a medium to travel through, while electromagnetic waves can travel through a vacuum.

Front

Can light waves travel through a vacuum?

Back

Yes, light waves can travel through a vacuum.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (or about 186,282 miles per second).

Front

What are the main types of electromagnetic waves?

Back

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

Front

What is the wavelength of visible light?

Back

Visible light has wavelengths ranging from approximately 400 nm (violet) to 700 nm (red).