A beam of light consisting of red, and b...

A beam of light consisting of red, and blue colours is incident on a right-angled prism ABC. The refractive indices of the material of the prism for the red and blue wavelength are 1.39 and 1.47 respectively. The colour/colours transmitted through the face AC of the prism will be

red only

red and blue.

blue only.

none.

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