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In Fig. 6(b).80, light rays of blue, gre...

In Fig. 6(b).80, light rays of blue, green and red wavelength are incident on an isoscels right angled prism. Explain with reason which ray of light will be transmitted through the face `AC`. The refractive index of the prism for red, green and blue light are `1.39, 1.424` and `1.476` respectively.

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Blue light has smaller wavelength, thus refractive index for the blue light will be more than that of red light and it will be closer to the normal.
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