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Good morning sir.
This is Beats problem sir.
This Explain it.
2 years ago

Answers : (1)

Eshan
askIITians Faculty
2095 Points
							Dear student,

Let the speed of sound bev.

Hence the corresponding frequencies become\dfrac{195v}{40}and\dfrac{193v}{40}, respectively.

Let the frequency of third note bef_0.

Therefore,\dfrac{195v}{40}-f_0=9

andf_0-\dfrac{193v}{40}-=9

Solving gives,v=360m/s

Regards.

2 years ago
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