Plane harmonic waves of frequency 500 Hz are produced in air with displacement amplitude of `10mum`. Given that density of air is `1.29(kg)/(m^3)` and speed of sound in air is `340(m)/(s)`. Then

Plane harmonic waves of frequency 500Hz are produced in air with displacement amplitude 10^(-3)cm . Deduce (i) the pressure amplitude (ii) the energy density and (iii) intensity of the wave. Speed of sound in air =300m/s. Density of air =1.29"kg/m"^3 .

The intensity of a wave propagating through air is 0.22 Wm^(-2) . If the frequency of the wave is 500 Hz calculate the displacement amplitude ? ["Density of air=1.29 kgm"^(3) , speed of sound in air= 340 m/s]

Given the density of air is 1.29 kg m^(-3) . Then, the relative density of air is ________.

Given the density of air is 1.29 kg m^(-3) . Then, the relative density of air is ________.

A typical loud sound wave with a frequency of 1 Kh_(Z) has a pressure amplitude of about 10 Pa (a) At t = 0 , the pressure is a maximum at some point X_(1) . What is the displacement at that point at t = 0 ? (b) What is the maximum value of the displacement at any time and place/ Take the density of air to be 1.29 kg//m^(3) and speed of sound in air is 340 m//s .

A typical loud sound wave with a frequency of 1 Kh_(Z) has a pressure amplitude of about 10 Pa (a) At t = 0 , the pressure is a maximum at some point X_(1) . What is the displacement at that point at t = 0 ? (b) What is the maximum value of the displacement at any time and place/ Take the density of air to be 1.29 kg//m^(3) and speed of sound in air is 340 m//s .

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 10 W source of sound of frequency 1000 Hz sends out wave in air. The displacment amplitude at 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) 0.62 mum (B) 4.2 mu m (C) 1.6 mu m (D) 0.96 mu m

Ultrasonic waves of frequency 3 x 105 Hz are passed through a medium where speed of sound is 10 times that in air (Speed of sound in air is 300 m/s). The wavelength of this wave in that medium will be of the order of

Calculate the intensity of a note of frequency 1000 Hz if the amplitude of vibration is 10^(-9) cm . Density of air = 1.3 kg m^(-3) and velocity of sound = 340 m s^(-1)