CBSE - Physics - Sound

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Practice Question

For hearing the loudest ticking sound heard by the ear, find the angle x in the Fig.12.4

For hearing the loudest ticking sound heard by the ear, find the angle x in the Fig.12.4

Ans. Incident line is making an angle of 50^o with reflecting surface.

So, angle of incidence = 90^o � 50^o = 40^o

Angle of reflection = angle of incidence Hence,

<x= 40^o