Refraction Of Light Video Lessons

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Problem: Consider a beam of light travelling from a medium with a low index of refraction n1 to a new medium with a higher index of refraction n2. Use Snell’s Law to explain why total internal reflection will never occur in this situation, regardless of the choice of incident angle.

FREE Expert Solution

Snell's law:

η1sinθ1=η2sinθ2

We can write:

η12 = sinθ2/sinθ1

Define θ= θc, where θc is the critical angle.

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Problem Details

Consider a beam of light travelling from a medium with a low index of refraction n1 to a new medium with a higher index of refraction n2. Use Snell’s Law to explain why total internal reflection will never occur in this situation, regardless of the choice of incident angle.

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