A person produces two sound waves with a flute one immediately after the other. Both sound waves have the same pitch, but the second one is louder. Which of the following properties is greater for the second sound wave?
A) Frequency
B) Amplitude
C) Wavelength
D) Speed in air

Option B is the right choice.

Explanation:

Given:

Two sounds waves lets say and having same pitch but

We have to find the property which from the options and identify which one is greater for .

Lets take one and one analysis of the terms.

a.

Frequency :

According to the question the pitch is same so the frequency will be same for both the waves.

b.

Amplitude :

c.

Wavelength :

Here the frequency is same so the wavelength for will be same.

d.

Speed in air:

So,

Amplitude of .

Here the amplitude of the louder sound wave will be greater .

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