AP Physics 2 Question of the Day

Test your knowledge with a hand-picked multiple-choice question.

A ray of light is traveling through air at an angle of ![](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/262235/gif.latex $"30^{\circ}$") to the vertical. It passes into water and halves its angle to the vertical. What is the index of refraction of water?

![](https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/262960/gif.latex $"\theta_{air}$=1.00")

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