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MHT CET202123 Sep 2021Morning ShiftPhysicsWaves and SoundActual

Two tuning forks of frequencies 320 ~Hz and 480 ~Hz are sounded together to produce sound waves. They velocity of sound in air is 320 ~ms ⁻¹ . The difference between wavelengths of these waves is nearly

Options

  1. A48 cm
  2. B16.5 cm
  3. C33 cm
  4. D42 cm

Correct answer

C. 33 cm

Step-by-step solution

aligned & ₁- ₂= V f ₁ - V f ₂ & = 320 320 - 320 480 & =1- 2 3 = 1 3 ~m =0.33 ~m =33 ~cm aligned

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