. A beam of light consisting of red, green and blue colours is incident on a right angled prism as shown in figure
The refractive indices of the material of prism for red, green and blue colours, respectively are 1.33, 1.44, 1.47. The prism will
.PNG)
a. separate part of blue colour from red and green colour
b. Separate all the three colours from one another
c. separate part of the red colour from green and blue colours
d. not separate even partially any coliur from the other two colours
Best Answer
Answer ||| c
Solution |||The condition for total internal reflection is
.PNG)
From the given values of refractive index of green and blue and red colours, it is applicable for green and blue colours. So, a part of red colours will be refracted and green and blue colour will be totally reflected.
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