All humans can hear sounds possessing a frequency of 20,000 Hz. True False Quest

Question

All humans can hear sounds possessing a frequency of 20,000 Hz. True False Question 2 (1 point) Sound is a longitudinal wave True False The lowest resonant frequency of a system is called fundamental harmonic pitch frequency The Doppler effect is experienced only if the observer is stationary and the sound source is moving. C True C False Doppler shift is experienced only in sound phenomenon. True False If a single speaker is able to produce 85 dB of sound level at a receiver, two identical speakers can produce 85 dB 170 dB 91 dB 95 dB

Explanation / Answer

1) true

2)True

3) fundamental

4) false

5) false

6)85db

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