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Ray Optics and Optical Instruments
Wave Optics
  1. Green light of wavelength 5460 Å is incident on an air-glass interface. If the refractive index of glass is 1.5, the wavelength of light in glass would be (c = 3 × 108 ms–1 )
    1. 3640 Å
    2. 5460 Å
    3. 4861 Å
    4. none of the above
Correct Option: A

λg =
λa
 =
5460
 = 3640 Å
μ1.5


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