A stationary wave is formed having 3 nodes along the length of the string 90 cm . The wavelength of the wave…

A stationary wave is formed having 3 nodes along the length of the string 90 cm . The wavelength of the wave is
  1. 60 cm
  2. 75 cm
  3. 90 cm
  4. 30 cm

Solution


Distance between successive nodes will be 45 cm . This is equal to $\frac{\lambda}{2}$. $\therefore \quad \lambda=90 \mathrm{~cm}$

Asked in: MHT CET 2024 (09 May Shift 2)

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