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JEE Main Physics Class 11 Waves Part 1 Questions

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Question : 59

Total: 100

Two engines pass each other moving in opposite directions with uniform speed of 30 m/s. One of them is blowing a whistle of frequency 540 Hz. Calculate the frequency heard by driver of second engine before they pass each other. Speed of sound is 330 m/sec:

[Online April 9, 2016]

450 Hz
540 Hz
270 Hz
648 Hz

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