A) 600 Hz
B) 585 Hz
C) 645 Hz
D) 666 Hz
Correct Answer: D
Solution :
The frequency of whistle heard by passenger in the train B, is \[{n}'=n\,\left( \frac{v+{{v}_{0}}}{v-{{v}_{s}}} \right)=600\,\left( \frac{340+15}{340-20} \right)\approx 666\ Hz\]You need to login to perform this action.
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