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JEE Main Physics Class 11 Waves Part 2 Questions

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Question : 37

Total: 48

The frequency of echo will be _______ Hz if the train blowing a whistle of frequency 320‌Hz is moving with a velocity of 36‌km∕h towards a hill from which an echo is heard by the train driver. Velocity of sound in air is 330m∕s.

[28-Jul-2022-Shift-1]

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