A beam of white light is incident on glass air interface from glass to air such that green light just suffers total internet reflection. The colors of the light which will come out to air are
A
Violet, Indigo, Blue
B
All colors except green
C
Yellow, Orange, Red
D
White light
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Solution
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Correct option is C)
VIBGYOR↑ Green light suffers total internal reflection The refractive index of the material of prism increases with the decrease in the wavelength of light. μ2>μB>μ9>μy>μ0>μR In case of prism
μsinc=1 where μ= refractive index of prism c= critical angle in case of green sinc=M91 for TIR μsinc>1 so Yellow, orange, red are the required. colors option c is correct.