Total Internal Reflection Video Lessons

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Problem: Consider a prism with the shape shown in the diagram. Its index of refraction is labeled by np, and it is submerged in a special liquid which has an index of refraction n ℓ, where the difference np − nℓ = 0.59. The light ray is perpendicularly incident from the liquid into the prism as shown in the diagram. Notice that the incident angle at both points A and B is 45°. Find the index of refraction of the prism for a critical angle of 45°.

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Problem Details

Consider a prism with the shape shown in the diagram. Its index of refraction is labeled by np, and it is submerged in a special liquid which has an index of refraction n , where the difference np − n = 0.59. The light ray is perpendicularly incident from the liquid into the prism as shown in the diagram. Notice that the incident angle at both points A and B is 45°. Find the index of refraction of the prism for a critical angle of 45°.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Total Internal Reflection concept. You can view video lessons to learn Total Internal Reflection. Or if you need more Total Internal Reflection practice, you can also practice Total Internal Reflection practice problems.

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Our expert Physics tutor, Juan took 2 minutes and 13 seconds to solve this problem. You can follow their steps in the video explanation above.

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Based on our data, we think this problem is relevant for Professor Yao's class at TEXAS.