MCQ
When a stationary wave is formed then its frequency is
  • Same as that of the individual waves
  • B
    Twice that of the individual waves
  • C
    Half that of the individual waves
  • D
    None of the above

Answer

Correct option: A.
Same as that of the individual waves
a
Second harmonic means $2$ loops in a total length. Hence plucking distance from one end

$=\frac{l}{2 p}=\frac{l}{2 \times 2}=\frac{l}{4}$

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