Physics-Beats
NEET Physics Beats MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following statements about beats is correct?
A
The beat frequency is the absolute difference between the frequencies of two waves.
B
Beats occur only when two waves have the same frequency.
C
Increasing the tension in a string always increases the beat frequency.
D
Beats result from the interference of two waves with different amplitudes only.
Correct Answer
Option A
Detailed Explanation
The beat frequency is defined as the absolute difference between the frequencies of two waves, as shown in the context where ν beat = ν 1 – ν 2. Options B, C, and D reflect common misconceptions about the conditions for beats.
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