when a ray of light falls perpendicularly on a parallel glass slab, what will be the angle of deviation?
(b) 0° (b) 30° (c) 90° (D) 180°
Answers
Answered by
2
Answer:
may be answer is c option.....
plz mark it as brainliest..
Answered by
0
Answer:
B. 0 degree..... .....
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