A person standing on railway station. When a train is approaching him, the frequency of whistle heard by him is 220Hz but when the train has crossed him, the frequency heard by him is 184 Hz. the frequency of whistle is:
a. 200 Hz
b. 202 Hz
c. 207 Hz
d. √(184 x 220) Hz
Answers
Answered by
0
Answer:
d √(184*220) hz is the frequency of heard
Answered by
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Answer:
F=2×220×184÷220+184 so option A is the correct
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