Question discussion

Which phenomenon causes a phase shift in the retardation plates?

3074Medium DSSSB TGT Computer Science 0 replies

APhasor plates
BRetardation plates
CPolaroid filters
DDouble refraction

Correct answer: D

Explanation

Retardation (wave) plates are made of birefringent material; double refraction makes the two components travel at different speeds, producing a phase shift.

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