MCQ
Which two of the given transverse waves will give stationary waves when get superimposed $z_1=a \cos (k x-\omega t)  ,  z_2=a \cos (k x+\omega t)  , z_3=a \cos (k y-\omega t)$
  • $A$ and $B$
  • B
    $A$ and $C$
  • C
    $\mathrm{B}$ and $\mathrm{C}$
  • D
    Any two

Answer

Correct option: A.
$A$ and $B$
Waves $A$ and $B$ satisfied the conditions required for a standing wave.

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