Home › MHT-CET › Physics › Superposition of Waves › The faintest sound a human can hear has a pressu…
The faintest sound a human can hear has a pressure variation of about:
A2.0 x 10^-5 Pa
B2.8 x 10^1 Pa
C2.0 x 10^-2 Pa
D1.0 x 10^2 Pa
Answer & Solution
Correct answer: A. 2.0 x 10^-5 Pa
A whisper-level sound corresponds to a pressure variation of about 2.0 x 10^-5 Pa.
Related questions
Which scientist speculated since 1968 about an inverse Doppler effect?Who first described the frequency change of waves for a moving source, in 1842?Beats are perceived as a periodic variation in which property of the sound?Which principle explains that two sounds sounding together simply add their amplitudes?A tuner hears beats slow down as two strings are tuned. What is happening to their pitchesA beat in acoustics is caused by the interference of two sounds that haveA standing wave is best described as a wave whose peak amplitude profileWhat quantity measures how closely a transmission line wave resembles a pure standing wave