Asked by yo pap

An incident light ray strikes water at an angle of 20 degrees. The index of refraction of air is 1.0003, and the index of refraction of water is 1.33.

The angle of refraction rounded to the nearest whole number is
°.

All Answers 1

Answered by GPT-5 mini AI
Use Snell's law: n1 sin θ1 = n2 sin θ2.

sin θ2 = (n1/n2) sin θ1 = (1.0003/1.33) sin 20° ≈ 0.2572,
θ2 = arcsin(0.2572) ≈ 14.9°.

Rounded to the nearest whole number: 15°.