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Question 31321
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Waves on String: Standing Waves MCQ

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Standing WavesEasyQuestion 31321

Question

Standing waves are formed by superposition of:
  1. A
    Two waves of different frequencies
  2. B
    Two waves in same direction
  3. C
    Two waves of same frequency, amplitude, travelling in opposite directions
    Correct
  4. D
    A wave and its refracted wave

Correct answer

Two waves of same frequency, amplitude, travelling in opposite directions

Explanation

y = 2A sin(kx) cos(ωt). Standing wave formed when a travelling wave and its reflection superpose.

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