A beam of light consisting of red, green, and blue colors is incident on a 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, repectively. The prism will
A. separate part of the rod colour from the green and blue colours.
B. separate all the three colours from the other two colors.
C. not separate even partially any colour from the other two colors.
D. separate part of the rod colour from the green and blue colours.