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A beam of light consisting of red, green and blue and is incident on a right angled prism. The refractive index of the material of the prism for the above red, green and blue wavelengths are 1.39, 1.44 and 1.47 respectively. The prism will

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a
separate part of the red color from the green and blue colors
b
separate part of the blue color from the red and green colors
c
separate all the three colors from the other two colors
d
not separate even partially, any colors from the other two colors

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detailed solution

Correct option is A

μredsini=1sinr1.39×11.414=sinrsinr|<1possible (refraction is possible)μgreen×sini=1.44×11.41>1⇒not possibleSame for blue 1.47×11.41>1⇒ It also not possible.

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