A wave represented by the equation y=A (k x- t) is superimposed with another wave to form…

Physics · NEET · NTA ExamsOscillations and Waves

A wave represented by the equation \(y=A \cos (k x-\omega t)\) is superimposed with another wave to form a stationary wave such that point x = 0 is a node. The equation for the other wave is
  1. \(A \sin (k \boldsymbol{x}+\omega t)\)
  2. \(-A \cos (k \boldsymbol{x}-\omega t)\)
  3. \(-A \cos (k \alpha+\omega t)\)
  4. \(-A \sin (k x-\omega t)\)

Answer

(B) -A (k x - t)

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