Sound WavesEasy
Question
A bat moving at 10ms-1 towards a wall sends a sound signal of 8000 Hz towards it. On reflection it hears a sound of frequency f. The value of f in Hz is close to (speed of sound = 320 ms-1)
Options
A.8000
B.8424
C.8258
D.8516
Solution
Frequency incident on wall = 
Reflected frequency reaching bat =
f = 8516 Hz
Reflected frequency reaching bat =
f = 8516 HzCreate a free account to view solution
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