Question

HECalculate the intensity of the periodic sound wave travelling in a steel bar having density7.90 g/cm. The speed of the wave in the steel is 5790 m/s and the maximum pressureexperienced by the wave is 1.50 atm.(a) 252 W/m(b) 252 kW/m(c) 2.4610-W/m?(d) 505 W/m2​

Answer 1

Answer:

Easy answer bro.......?

Answer 2

Answer:

The intensity of the periodic sound wave travelling in a steel bar is 252.5 W/m.

(a) is correct option.

Explanation:

Given that,

Density = 7.90 g/cm

Speed of wave = 5790 m/s

Pressure = 1.50 atm

We need to calculate the intensity of the periodic sound wave travelling in a steel bar

Using formula of intensity

$I=\dfrac{(\Delta P_{max})^2}{2\rho v}$

$I=\dfrac{(1.50\times101325)^2}{2\times7.90\times10^{3}\times5790}$

$I=252.5\ W/m$

Hence, The intensity of the periodic sound wave travelling in a steel bar is 252.5 W/m.