MCQ
The correct figure that shows, schematically, the wave pattern produced by superposition of two waves of frequencies $9\,Hz$ and $11\,Hz,$
- ✓
- B
- C
- D
✓
Answer
Correct option: A.
a
. Beat frequency $= |f_1 -f_2| = 11 -9 = 2 \;Hz$
. Beat frequency $= |f_1 -f_2| = 11 -9 = 2 \;Hz$
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