Green light of wavelength 5460Å is incident on an air glass interface. If the refractive index of glass is 1.5, the wavelength of light in glass would
Green light of wavelength 5460Å 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 xx 10^(8) ms^(-1))`n
A. `3640Å`
B. `5460Å`
C. `4861Å`
D. `6240Å`
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Correct Answer - A
`n=(v_a)/(v_m)=(lambda_a)/(lambda_m) :. lambda_(m)=(lambda_a)/(n)=(5460)/(1.5)=3640Å`
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