The source of sound generating of a frequency of 3 kHz reaches an observer with a speed of 0.5 times the velocity of sound in air. The frequency heard by the observer is? a) 1 kHz b) 3 kHz c) 4 kHz d) 6 kHz
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The source of sound generating of a frequency of 3 kHz reaches an observer with a speed of 0.5 times the velocity of sound in air. The frequency heard by the observer is?
a) 1 kHz
b) 3 kHz
c) 4 kHz
d) 6 kHz
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