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The wavelength of blue light in air is 4...

The wavelength of blue light in air is 4500 Å . What is its frequency? If the refractive index for blue light is 1.55 in glass what will be the wavelength of blue light in glass? `(c = 3 xx 10^8 m//s)`

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`6.6 xx 10^(14 ) Hz ,2903 Å`
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AAKASH SERIES-RAY OPTICS-PROBLEMS ( LEVEL-I)
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  15. A liquid of refractive index 1.5 is poured into a cyclindrical jar of ...

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