A) \[{{\text{n}}^{\text{2}}}\]
B) \[\text{2n}\]
C) \[\frac{n}{2}\]
D) unchanged
Correct Answer: C
Solution :
From Dopplefs effect, the perceived frequency \[f=\left( \frac{c}{c+v} \right)f\] Given, \[c=v,\,\,f=n\] \[\therefore \] \[f=\left( \frac{c}{2c} \right)n\,\,\Rightarrow \,\,f=\frac{n}{2}\]You need to login to perform this action.
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