Physics-
General
Easy
Question
When beats are produced by two progressive waves of nearly the same frequency, which one of the following is correct?
- The particles vibrate simple harmonically, with the frequency equal to the difference in the component frequencies
- The amplitude of vibration at any point changes simple harmonically with a frequency equal to the difference in the frequencies of the two waves
- The frequency of beats depends upon the position, where the observer is
- The frequency of beats changes as the time progresses
The correct answer is: The amplitude of vibration at any point changes simple harmonically with a frequency equal to the difference in the frequencies of the two waves
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