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MHT CET202013 Oct 2020Evening ShiftPhysicsWaves and SoundActual

A stationary wave is formed having 4 nodes along the 120 ~cm length of the string. The wavelength of the wave is

Options

  1. A20 ~cm
  2. B40 ~cm
  3. C80 ~cm
  4. D60 ~cm

Correct answer

C. 80 ~cm

Step-by-step solution

4 modes formed aligned 3 / 2 &=120 ~cm &= 240 3 ~cm aligned =80 ~cm

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