A point sound source is situated in a medium of bulk modulus 1.6times10^(5)N/m^(2). The equation for the wave emitted from it is given by y=a sin(7.5π x-3000πt) .Then velocity wave is v and the displacement amplitude of the waves received by the observer standing at a distance 5m from the source is A.The density of medium is rho . The maximum pressure amplitude tolerable to the observer's ear is 30Pa then qquad rho=1.5kg/m^(3) qquad v=400m/s A =(10^(-4))/(4 pi)m

A point sound source is situated in a medium of bulk modulus 1.6times10^(5)N//m^(2) . The equation for the wave emitted from it is given by y=a sin(7.5 pi x-3000 pi t) .Then velocity wave is v and the displacement amplitude of the waves received by the observer standing at a distance 5m from the source is A .The density of medium is rho .The maximum pressure amplitude tolerable to the observer's ear is (30 pi )Pa

A point sound source is situated in a medium of bulk modulus 1.6times10^(5)N/m^(2) .The equation for the wave emitted from it is given by y=a sin(7.5 pi x-3000 pi t) .Then velocity wave is v and the displacement amplitude of the waves received by the observer standing at a distance 5m from the source is A .The density of medium is rho .The maximum pressure amplitude tolerable to the observer's ear is (30 pi )Pa then

If A is the amplitude of the wave coming from a line source at a distance r, then :

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.

IF A is the amplitude of the wave coming from a point source at distance r then

If the amplitude of a wave at a distance r from a point source is A , the amplitude at a distance 2 r will be

In the previous example, if the density of air r = 1 . 22 kg //m^(3) , then find the intensity of a sound wave of the largest amplitude tolerable to the human ear.

Find the intensity of sound wave whose frequency is 250 Hz. The displacement amplitude of particles of the medium at this position is 1 xx 10^(-8) m. The density of the medium is 1 kg"/"m^3 , bulk modulus of elasticity of the medium is 400 N"/"m^2 .