> Q. A beam of light consisting of red, green and blue colours is incident on a right-angled prism on face $AB$. The refractive indices of the material for the above red, green and blue colours are $1.39, 1.44$ and $1.47$ respectively. A person looking on surface $AC$ of the prism will see – LIVE ANSWER TODAY

Q. A beam of light consisting of red, green and blue colours is incident on a right-angled prism on face $AB$. The refractive indices of the material for the above red, green and blue colours are $1.39, 1.44$ and $1.47$ respectively. A person looking on surface $AC$ of the prism will see

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A beam of light consisting of red, green and blue colours is incident on a right-angled prism on face $AB$. The refractive indices of the material for the above red, green and blue colours are $1.39, 1.44$ and $1.47$ respectively. A person looking on surface $AC$ of the prism will see

Solution:

For light to come out through face ‘AC’, total internal reflection must not take place.

$i.e., theta
$Rightarrow sin,theta
or$quadmu
$Rightarrow mu

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