Questions
A source and listener are both moving towards each other with speed v/10, where v is the speed of sound. If the frequency of the note emitted by the source is f, the frequency heard by the listener would be nearly
a
1.11 f
b
1.22 f
c
f
d
1.27 f
detailed solution
Correct option is B
When source and listener both are moving towards each other then, the frequency heardn'=n v+vOv−vS⇒n'=f v+v/10v−v/10=1.22 f.Talk to our academic expert!
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An observer is moving towards the stationary source of sound, then
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