A source is moving across a circle given by the equation x 2 + y 2 = R 2 with constant speed v S = 
m/s. in clockwise sense. A detector is stationary at the point (2R, 0) w.r.t. the centre of the circle. The frequency emitted by the source is f S
Text Solution
Verified by ExpertsCHECK THE SOLUTION.
, (0, – R) f´ min = 
f S
f´ max = 
f S
Wave emitted at A when reach at detector gives maximum apparent frequency during this time source reaches at E.
Time taken by sound to reach at C = 
∴ Distance travelled by the sources within this time = 
= 
Hence 
= 
∴ Angle from horizontal = 30º
Hence coordinates 
Also; n´ min = 
n´ max = 
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