16. Nicol prism is a special type of
prism made from pieces of calcite
which is a crystalline form of
O Calcium carbonate
O Barium nitrate
O Calcium hydroxide
O Calcium nitrate
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A Nicol prism is made up of two prisms of calcite (CaCO3) cemented with Canada balsam.
We know that polarization is a process by which the vibrations of a transverse wave are confined to one geometric orientation (direction).
A Nicol prism is a polarizer that is used to produce and analyse plane polarized light. Plane polarized light is the light whose electric field oscillated in just one plane.
It is designed in such a way that it eliminates the ordinary o-ray by total internal reflection while transmits the extraordinary e-ray through the prism
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