A ray of light is incident at an angle of 30o on a glass prism of refractive...

Question 545
A
10.5o
B
19.5o
C
21.1o
D
38.9o
E
40.5o
Explanation
n = $$\frac{sin i}{sin r}$$

sin r = $$\frac{30^o}{n}$$

sin r = $$\frac{0.5}{1.5}$$

sin r = 0.3333

r = 19.5o; Deviation 30 - 19.5 = 10.5o

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