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Question 31303
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Waves on String: Wave Equation MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Wave EquationEasyQuestion 31303

Question

The wave equation for a transverse wave moving in the +x direction is:
  1. A
    y = A sin(kx + ωt)
  2. B
    y = A sin(ωt − kx)
    Correct
  3. C
    y = A sin(ωt)
  4. D
    y = A cos(kx)

Correct answer

y = A sin(ωt − kx)

Explanation

y = A sin(ωt − kx) represents a wave moving in +x direction. y = A sin(ωt + kx) moves in −x direction.

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