Ch 10 Sound Quizziz

_____ is the logarithmic scale used to measure sound level.

• Meters

• Hertz

• Decibels

• Soundmeter

Which sound wave property is most related to loudness?

• wavelength

• amplitude

• frequency

• wave speed

15. Sounds are produced by ______.

• Sounds are produced by vibrations.

• Sounds are produced by light.

• Sounds are produced by heat.

• Sounds are produced by electricity.

Which will you hear as the highest pitch?

• sound wave with frequency of 50 Hz

• sound wave with frequency of 10,000 Hz

• sound wave with frequency of 15,000 Hz

• sound wave with frequency of 30,000 Hz

Which statement is true about a sound of 65 decibels?

• A. It causes intense pain.

• B. It cannot be heard by anyone.

• C. It can be heard without discomfort or damage.

The echoing effect produced by many reflections of sound is called _____.

• intensity

• resonance

• reverberation
• rarefaction

If the frequency of the first overtone of a guitar string is 524 Hz, what is its fundamental frequency?

• 524 Hz

• 262 Hz

• 786 Hz

• 1048 Hz

The _____ is a spiral-shaped structure in the ear filled with liquid.

• stirrup

• anvil

• hammer

• cochlea

Which does not transmit sound waves?

• gases

• liquids

• solids

• vacuum

What type of waves are sound waves?

• longitudinal

• polarized

• transverse

• radio