sound Flashcards
1
Q
what is a wave length
A
a wave length Forms of electromagnetic radiation like radio waves, light waves or infrared heat waves make characteristic patterns as they travel through space. Each wave has a certain shape and length. The distance between peaks is called wavelength
2
Q
what is a sound wave
A
a sound wave Is a wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air
3
Q
what is the average human hearing range
A
20 Hz to 20 kHz,
4
Q
what is the hearing range of a bat
A
2,000-110,000