Physics-Beats
NEET Physics Beats MCQ Question
Type: MCQ-diagram based-Easy-Class 11
Consider a diagram showing two harmonic waves with frequencies 11 Hz and 9 Hz overlapping. Which of the following best describes the frequency of the beats formed due to this overlap?
A
2 Hz
B
20 Hz
C
10 Hz
D
1 Hz
Correct Answer
Option A
Detailed Explanation
The beat frequency is calculated as the difference between the two frequencies, ν_beat = ν_1 - ν_2 = 11 Hz - 9 Hz = 2 Hz, as shown in the NCERT context.
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