Answers

2015-10-10T10:59:26+05:30
|Sin theta| = 1/Refractive index
|sin 300| = 1/R
|-0.5| = 1/R
1/R = 0.5
R = 2

Answer is B
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  • Brainly User
2015-10-10T11:40:14+05:30
3.....................................................
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