(A) 60° (X)
(B) 90° (X)
(C) 180° ()
(D) 45° (X)
Answers: A light ray traveling form rarer to denser medium suffers a phase change of 180°.
(A) 60° (X)
(B) 90° (X)
(C) 180° ()
(D) 45° (X)
Answers: A light ray traveling form rarer to denser medium suffers a phase change of 180°.
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