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

A beam of light consisting of red,green and blue colours 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:

separate the red colour part from the green and blue colours

separate the blue colour part from the red and green colours

separate all the three colours from one another

not separate the three colours at all

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