A car travelling at 10 m/s sounds its horn, which has a frequency of 500 Hz and this is heard in another car which is travelling behind the first car in the same direction with a velocity 20 m/s. The sound can also be heard in the second car by reflection from a bridge head. What frequencies will the driver of the second car hear ? v = 340 m/s.
Text Solution
Verified by ExpertsThe correct answer is:
514 HZ AND 546 HZ
By direct sound:
By reflection from bridge:
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