Physics-Beats
NEET Physics Beats MCQ Question
Type: MCQ-numerical-Hard-Class 11
Two sound waves with frequencies 431 Hz and 427 Hz are played simultaneously. What is the beat frequency produced by these waves?
A
2 Hz
B
4 Hz
C
3 Hz
D
1 Hz
Correct Answer
Option B
Detailed Explanation
The beat frequency is calculated as the absolute difference between the two frequencies, i.e., ν_beat = |431 Hz - 427 Hz| = 4 Hz.
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