JEE Mains 29-Jan-2023 Shift 1 Solved Paper
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A person observes two moving trains, 'A' reaching the station and ' B ' leaving the station with equal speed of 30 m ∕ s . If both trains emit sounds with frequency 300 Hz , (Speed of sound : 330 m ∕ s ) approximate difference of frequencies heard by the person will be :
[29-Jan-2023 Shift 1]
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