Home
Class 12
PHYSICS
A point like sound source emits sound in...

A point like sound source emits sound in all direction uniformly.An observer who is at a distance of "50m" from the source detects sound of intensity 10^(-8)" watt "/m^(2)" .If the bulk modulus of air is "1.6times10^(5)N/m^(2)" and "],[" velocity of sound is "340m/s" .Find the pressure amplitude at the position of observer.If your answer is x times10^(-5)N/m^(2)" fill value of "[x] (nearest integer).

Promotional Banner

Similar Questions

Explore conceptually related problems

A point source emits sound equally in all directions in a non-absorbing medium. Two point P and Q are at distance of 2 m and 3 m respectively from the source. The ratio of the intensities of the wave at P and Q is :

Due to a point isotropic sonic source, loudness at a point is L=60dB If density of air is rho=((15)/(11))(kg)/(m^3) and velocity of sound in air is v=33(m)/(s) , the pressure oscillation amplitude at the point of observation is [I_0=10^-12(W)/(m^2) ]

At a distance of 5.0 m from a point sound source, the sound intensity level is 110 dB. At what distance is the intensity level 95 dB?

The faintest sound the human ear can detect at a frequency of kHz (for which ear is most sensitive) corresponds to an intensity of about 10^(-12)w//m^(2) . Assuming the density of air cong1.5kg//m^(3) and velocity of sound in air cong300m//s , the pressure amplitude and displacement amplitude of the sound will be rspectively ____ N//m^(2) and ____ m .

The intensity of sound from a point source is 1.0 xx 10^-8 Wm^-2 , at a distance of 5.0 m from the source. What will be the intensity at a distance of 25 m from the source ?

The sound intensity is 0.008W//m^( 2) at a distance of 10 m from an isotropic point source of sound. The power of the source is

A 10 W source of sound of frequency 1000 Hz sends out wave in air. The displacment amplitude a distance of 10 m from the source is (speed of sound in air = 340 m/s and density of air = 129 kg/m^(3) )

A point sound source is situated in a medium of dulk modulus 1.6 xx 10^(5) N//m^(2) . An observer standing at a distance 10 m from the source writes down the equeation for the wave as y = A sin (15 pi x - 6000 pi t) . Here y and x are in meter and t is in second. The maximum pressure ampulitude received to the observer's ear is (24 pi) pa, then find. (a) the density of the medium, (b) the displacement ampulitude A of the wave recived by the observer and (c ) the power of the sound source.

Due to point isotropic sound source, theintensity at a point is observed as 40 dB. The density of air is rho=((15)/(11))(kg)/(m^3) and velocity of sound in air is 330(m)/(s) . Based on this information answer the following questions. Q. The pressure amplitude at the observation point is