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Red light of wavelength 6400 Å in air has a wavelength of 4000 Å in glass. If the wavelength of violet light in air is 4400 Å, then the wavelength in glass is |
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Answer» `lambda_(r(glass))=(lambda_(r(air)))/(._(a)mu_(g))` `4000=(6400)/(._(a)mu_(g))` `._(a)mu_(g)=1.6` `lambda_(r(glass))=(lambda_(r(air)))/(._(a)mu_(g))` `lambda_(r(glass))=(4400)/(1.6)` `=2750Å`. |
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