Question

42. The conditions for the production of constructive and destructive interference are reversed due to the fact
that on striking the thin film
(A) Two rays of splitted light undergo phase change of 180°
(B) Oneoftworaysofsplittedlightundergophasechangeof180°
(C) Light is diffracted,
(D) light ispolarized
43. When electromagnetic. waves strike the boundary of denser medium they are​

Answer 1

Answer:

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