Question

A train standing at the outer signal of a railway station blows a whistle of frequency 400hz in still air. What is the frequency of the whistle for a platform observer when train reced from the platform with a speed of 10m/s. Given the speed of sound in still air is 340m/s.

Answer 1

388.57 Hz...........

Answer 2

$\huge\bold{Answer}$

$<b>$

__________________❤Rythm