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In a thin film of soap, if the refractive index is 1.33 and the wavelength of light in air is 500 nm, what is the effective wavelength in the film?

Practice Questions

1 question
Q1
In a thin film of soap, if the refractive index is 1.33 and the wavelength of light in air is 500 nm, what is the effective wavelength in the film?
  1. 375 nm
  2. 500 nm
  3. 600 nm
  4. 750 nm

Questions & Step-by-step Solutions

1 item
Q
Q: In a thin film of soap, if the refractive index is 1.33 and the wavelength of light in air is 500 nm, what is the effective wavelength in the film?
Solution: Effective wavelength in the film = λ/n = 500 nm / 1.33 ≈ 375 nm.
Steps: 0

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