A) 2150 Hz
B) 2500 Hz
C) 1800 Hz
D) 2400 Hz
Correct Answer: B
Solution :
[b] Given ![]() |
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Reflected wave frequency received by A, ![]() |
Applying dopplers effect of sound, ![]() ![]() |
![]() ![]() |
Now, for the reflected wave, |
![]() ![]() ![]() |
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