The wavelength of green light in air is 5400 A.U. Its wavelength in the glass of refractive index 3/2 is
The wavelength of green light in air is 5400 A.U. Its wavelength in the glass of refractive index 3/2 is
A. a. 5400Å
B. b. 2700 Å
C. c. 3600 Å
D. d. 8100 Å
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Correct Answer - C
`n=(V_a)/(V_g)=(n lambda_a)/(n lambda_g)=(lambda_g)/(lambda_g)`
`:. lambda_g=(lambda_a)/(n)=(5400)/(3//2)=3600Å`
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