The wavelength of blue light in air is 4500 A0. What is its frequency? If the refractive index for blue light is 1.55 in glass what will be the wavelength of blue light glass? (c=3×108m/s)

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6.667×1014Hz ; 2903A0

5.667×1014Hz ; 2903A0

6.667×1014Hz ; 3903A0

5.667×1014Hz ; 3903A0

answer is A.

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Detailed Solution

f=Cλa=3×1084500×10-10=6.6×1014Hz μg=λaλg⇒λg=λaμg=45001.55=2903A0

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