Mechanical vs. Electromagnetic Waves

Front

What type of wave is a light wave?

Back

Electromagnetic wave.

Front

Which type of wave does NOT require a medium to travel?

Back

Electromagnetic wave.

Front

What is the term for a wave that requires a medium to travel?

Back

Mechanical wave.

Front

What is a longitudinal wave also known as?

Back

Compressional wave.

Front

What is the part of a longitudinal wave where particles are close together?

Back

Compression.

Front

What is the part of a longitudinal wave where particles are spread apart?

Back

Rarefaction.

Front

Do both mechanical and electromagnetic waves have frequency?

Back

Yes, both have frequency.

Front

What is the speed of electromagnetic waves in a vacuum?

Back

Approximately 299,792 kilometers per second (the speed of light).

Front

What is an example of a mechanical wave?

Back

Sound wave.

Front

What is the main difference between mechanical and electromagnetic waves?

Back

Mechanical waves require a medium; electromagnetic waves do not.