Topic 5 Test Review

Front

What is the purpose of wearing headphones while using a jackhammer?

Back

To absorb sound waves.

Front

What is the difference between mechanical waves and electromagnetic waves?

Back

Electromagnetic waves can transfer energy without a medium, but mechanical waves require a medium.

Front

What is reflection in terms of wave behavior?

Back

The bouncing off of a wave and heading in a different direction (a mirror image).

Front

Which of the following is NOT a type of medium for wave travel?

Back

Vacuum.

Front

How does an increase in frequency affect the wavelength of a sound wave?

Back

The wavelength decreases.

Front

What are mechanical waves?

Back

Waves that require a medium to travel through.

Front

What are electromagnetic waves?

Back

Waves that can travel through a vacuum and do not require a medium.

Front

What is the definition of a medium in wave propagation?

Back

The substance through which a wave travels.

Front

What happens to sound waves in a vacuum?

Back

They cannot travel because there is no medium.

Front

What is the relationship between frequency and wavelength?

Back

As frequency increases, wavelength decreases.