MrGenius ...... PLZZ answer this!!!
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Aroh005:
Correct answer is 36°
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Hi ,
We know that when a ray incident on surface it makes same angle with perpendicular on that surface,.
Hence draw a perpendicular (QL) on that surface.
see picture!!
We know that when a ray incident on surface it makes same angle with perpendicular on that surface,.
Hence draw a perpendicular (QL) on that surface.
see picture!!
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Thankyou..♡♡
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