Sound Waves

Sound waves are of these type

• Longitudinal

• Transverse

• Mechnical

• Electromagnetic

The speed of sound is fastest in which of the following media:

• Plasma

• Gas

• Liquid

• Solid

How is sound loudness measured?

• in m/s

• in intensity

• in decibels

• in Hertz

Pitch is related to____________________

Loudness (volume) is related to__________________ (this part of the wave).

Hearing above 20000 Hz is considered

• infrasonic

• supersonic

• ultrasonic

• sonic the hedgehog

True of False: Dogs can detect sounds well over 20000 Hz

• True

• False

The bouncing of a sound wave is:

• A rarefaction

• A compression

• An echo

• A vacuum

Which of the following has the most effect on the speed of sound in air?

• amplitude

• frequency

• wavelength

• temperature

How high or low a sound is; depends on the frequency (greater frequency= higher pitch)

• pitch
• frequency
• sound
• medium