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Quiet Spot

Stand between two speakers and find the quiet spots. Slide Quincke's tube to kill the sound.

Physics · Class 11 · Interference of sound · 6 simulations. For JEE, NEET and your boards.

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What you'll learn

  1. Half a wave behind: Quiet where one wave is half a wave behind
  2. Between two speakers: Moving d changes the path gap by 2d
  3. Wired the wrong way: Wires swapped: a head start of half a wave
  4. Facing the wall: A hard wall is a loud spot
  5. Quincke's tube: Quincke's tube: sliding d adds 2d of path
  6. Count the quiet points: Quiet every λ/2 of slide, starting at λ/4