ICSE Class 10 Physics 2023 Solved Paper
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Question : 14
Total: 76
When a ray of light travels normal to the given surface, then the angle of refraction is :
Solution:
(c) 0 ∘
Explanation : When a ray of light strikes a surface normally, then∠ i = 0 ∘ , ∴ ∠ r = 0 ∘
Explanation : When a ray of light strikes a surface normally, then
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