MCQ
The condition for a stable wave is
  • A
    $n\lambda  = 6\prod r$
  • B
    $n\lambda  = \frac{1}{2}\prod r$
  • $n\lambda  = 8\prod r$
  • D
    $n\lambda  = 4\prod r$

Answer

Correct option: C.
$n\lambda  = 8\prod r$
c

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