1.

A plane longitudinal wave having angular frequency co = 500rad/sec is travelling in positive x-direction in a medium of density rho =1 kg//m^(3)and bulk modulus 4 xx 10^4 N//m^2. The loudness at a point in the medium is observed to be 20 dB. Assuming at x = 0 initial phase of the medium particles to be zero, find the equation of the wave

Answer»

`y = 2 xx 10^(-9) sin(500 t - (5x)/2)`
`y = 3 xx 10^(-9) sin(500 t + (5x)/2)`
`y = 3 xx 10^(-9) sin(500 t + (5x)/2)`
`y = 2 xx 10^(-9) sin(5000 t - (5x)/2)`

ANSWER :A


Discussion

No Comment Found

Related InterviewSolutions