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A beam of light consisting of red, green...

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

A

separate the red colour part from the green and blue colours.

B

seaparate the blue colour part from the red and green colours.

C

separate all the three colours form one another.

D

not separate the three colours at all.

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