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Beat Hunter

Sound two notes together and count the throbs. Wax a fork or walk to change the beats.

Physics · Class 11 · Beats · 8 simulations. For JEE, NEET and your boards.

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What you'll learn

  1. Two forks: Beats: fb = |f₁ − f₂|
  2. The waxed fork: Wax lowers a fork
  3. A ladder of forks: Count the gaps, not the forks
  4. Echo from a van: An echo shifts twice
  5. Walk between speakers: Walking makes two pitches
  6. Two trains: A moving source
  7. Walk till it stops: Make two notes meet
  8. Horn and echo: A moving source and a moving listener