A beam of light 
is incident on a glass slab 
in a direction as shown in figure. The reflected ray 
is passed through a Nicol prism. On viewing through the prism, we find that on rotating the prism
Text Solution
Verified by ExpertsThe correct answer is:
D
In the arrangement shown, the unpolarized light is incident at polarizing angle of 
. The reflected light is thus plane polarized light. When plane polarized light is passed through Nicol prism (a polarizer or analyzer), the intensity gradually reduces to zero and finally increases.
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