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Easy
Question
A source of sound and a listener are moving towards each other The velocity of source is 20ms–1 If the velocity of sound is 340ms–1 and its frequency is 640 Hz Find the apparent frequency of the sound.
- 620 Hz
- 720 Hz
- 710 Hz
- 610 Hz
The correct answer is: 710 Hz
If the source of sound and listener are moving towards each other, then the apparent frequency of sound is,
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