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Q. Ratio equal to constant (in refraction) is
A. sin r/sin i
B. sin r (sin i)
C. sin i/sin r
D. sin i²/sin r
Answer: sin i/sin r
A. sin r/sin i
B. sin r (sin i)
C. sin i/sin r
D. sin i²/sin r
Answer: sin i/sin r
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