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Answer:
The answer is 0 degree please mark me as brainliests
Verified answer
Answer:
90° is the correct answer
Explanation:
Because if an angle incidence is 90° it means the light propagating along the interface separating the two media. In the case, the light does not enter the second medium and so we can not talk about the angle of refraction. The angle of refraction can also be regarded as 90°
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