A student traces the path of a ray of white light through a rectangular glass slab and marks, the angles of incidence (∠i) , refraction (∠r) and emergence (∠e) as shown. Which angle or angles has he not marked correctly?
(A) ∠i only
(B) ∠i and ∠r
(C) ∠i and ∠e
(D) ∠r and ∠e
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Answer:
b one is the correct ans
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(C) ∠i and ∠e
Explanation:
The diagram is missing in the question. Please find the attached picture for the diagram. The answer is with respect to the attached picture.
Angle of incidence is correctly marked as ∠i in the given diagram.
Angle of emergence is correctly marked as ∠e in the given diagram.
So ∠i and ∠e are the correct marked angles Option C is the correct answer.
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