Two cars A and B are moving away from each other in opposite directions. Both the cars are moving with a speed of 20 ms⁻¹ with respect to the ground. If an observer in car A detects a frequency 2000 Hz of the sound coming from car B, what is the natural frequency of the sound source of car B? (speed of sound in air = 340 ms⁻¹)
(A) 2250 Hz (B) 2060 Hz
(C) 2150 Hz (D) 2300 Hz
Answers
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Option (C) 2150 Hz. is the ANSWER.
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0
Option C is the correct answer
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