Mechanical and Electromagnetic Waves

Front

What is the primary difference between mechanical and electromagnetic waves?

Back

Mechanical waves require a medium (solid, liquid, or gas) to travel, while electromagnetic waves can travel through a vacuum.

Front

What question can help determine if a wave is mechanical or electromagnetic?

Back

Does it require a medium in order to travel?

Front

What type of wave is produced by a tuning fork?

Back

Mechanical wave.

Front

What is the term for the lowest point of a wave?

Back

Trough.

Front

What is the term for the highest point of a wave?

Back

Crest.

Front

Can electromagnetic waves travel through a vacuum?

Back

Yes, electromagnetic waves can travel through a vacuum.

Front

What are examples of mechanical waves?

Back

Sound waves, water waves, and seismic waves.

Front

What are examples of electromagnetic waves?

Back

Light waves, radio waves, microwaves, and X-rays.

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 wavelength in the context of waves?

Back

Wavelength is the distance between two consecutive points in phase on a wave, such as crest to crest or trough to trough.