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Praxis II General Science

Category - Physics

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Light strikes a refractive object at an incident angle of 40°. What will be the angle of refraction?

20 degrees
40 degrees
60 degrees
80 degrees
It cannot be determined from the information given

Explanation

Answer: E - The angle of refraction depends on the material that the light passes through. Thus, we don’t have enough information to answer this question. The refractive index of the material needs to be known as well.

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