Weekly Test - Chapter 16

The regions in which molecules are bunched up are called ...

• rarefactions

• compressions

How fast is the speed of sound in liquid?

• 1500 m/s

• 330 m/s

Supersonic motion is ...

• faster than speed of sound

• faster than speed of light

How is the speed of sound in gasses?

• the fastest

• the slowest

What kind of hearing do we have?

• binaural

• integral

In the structure of ear, the shell-shaped chamber is called ...

• eardrum

• cochlea

What is the red arrow pointing at?

• ear nerves

• hammer

What is the red arrow pointing at?

• stirrup

• anvil

What is the red arrow pointing at?

• Eustachian tube

• ear canal

Hz is the SI unit of ...

• frequency

• sound