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a train is approaching a railway crossing at a speed of 120km/hr sound a short whistle at frequency640hzwhen it is 300m away from the crossing. speed of sound in air is 340,/s. what will be the frequency heard by the person standing on a road perpendicular to the track through the crossing at a distance of 400m from the crossing

a train is approaching a railway crossing at a speed of 120km/hr sound a short whistle at frequency640hzwhen it is 300m away from the crossing. speed of sound in air is 340,/s. what will be the frequency heard by the person standing on a road perpendicular to the track through the crossing at a distance of 400m from the crossing

Grade:11

1 Answers

Rituraj Tiwari
askIITians Faculty 1792 Points
one year ago
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