The thickness of a doubly refracting plate, capable of producing a path difference l/4 between

The thickness of a doubly refracting plate, capable of producing a path difference l/4 between extraordinary and ordinary waves, is (l = 6000 Å; µ0 =1.53; µe = 1.54):
(a) 1.0 x 10-3 cm
(b) 1.5 x 10 -3 cm
(c) 3.0 x 10-3 cm
(d) 6.0 x 10-3 cm

Anurag Mishra Professor Asked on 28th May 2016 in Maths.
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