NEET Physics Beats MCQ Question
Which of the following statements about beats is correct?
The beat frequency is equal to the absolute difference between the frequencies of the two waves.
Increase in the tension of a string always increases the beat frequency.
Beats occur only when two waves have the same frequency.
The resultant wave from two waves producing beats has a constant amplitude.
Correct Answer
Detailed Explanation
The beat frequency is calculated as the absolute difference between the two frequencies, as stated in the context. The other options misrepresent the behavior of beats and wave interactions.
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