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Solution: Light goes from flint glass into ethanol. The angle of refra...

Question

Light goes from flint glass into ethanol. The angle of refraction in the ethanol is 24.8°, the index of refraction for flint glass is 1.61, and the index of refraction for ethanol is 1.36. What is the angle of incidence in the glass?

1. 10.8702

2. 12.7958

3. 20.4236

4. 21.3253

5. 18.6127

6. 20.7518

7. 16.378

8. 17.6211

9. 9.6954

10. 12.3777