Optics Question 551
Question: Out of the following statements which is not correct
[CPMT 1991]
Options:
A) When unpolarised light passes through a Nicol’s prism, the emergent light is elliptically polarized
B) Nicol’s prism works on the principle of double refraction and total internal reflection
C) Nicol’s prism can be used to produce and analyze polarized light
D) Calcite and Quartz are both doubly refracting crystals
Show Answer
Answer:
Correct Answer: A
Solution:
It magnitude of light vector varies periodically during it’s rotation, the tip of vector traces an ellipse and light is said to be elliptically polarised. This is not in nicol prism.
