MCQ
A stretched string of length $l,$ fixed at both ends can sustain stationary waves of wavelength $\lambda ,$ given by
  • A
    $\lambda = \frac{{{n^2}}}{{2l}}$
  • B
    $\lambda = \frac{{{l^2}}}{{2n}}$
  • $\lambda = \frac{{2l}}{n}$
  • D
    $\lambda = 2l\;n$

Answer

Correct option: C.
$\lambda = \frac{{2l}}{n}$
c
(c) $\lambda = \frac{{2l}}{p}$        ($p =$ Number of loops)

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