Question

Beats are produced by two progressive waves. maximum loudness at the waxing is x times the loudness of each wave. the value of x is

Answer 1

Answer:  

The value of x is 4.

Explanation:

We know that intensity I is proportional to $a^{2}$, where a = amplitude of the wave.

The maximum amplitude is the sum of two amplitudes i.e. a + a = 2a

Hence, maximum intensity is proportional to $4 a^{2}$

Therefore required ratio i.e. ratio of maximum intensity or loudness and intensity or loudness of one wave is given by x,

$x=\frac{4 a^{2}}{a^{2}}=4$

So, value of x = 4.

Answer 2

Explanation:

are produced due to the superposition of two progressive notes. Maximum loudness at the waxing is n times the loudness of either notes. What is the value