Total Internal Reflection Video Lessons

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Problem: A ray of light traveling in a block of glass (n = 1.52) is incident on the top surface of the block at an angle of 62.8° with respect to the normal. If a layer of oil is placed on the top surface of the glass, the ray is totally reflected. What is the maximum possible index of refraction of the oil?

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Problem Details

A ray of light traveling in a block of glass (n = 1.52) is incident on the top surface of the block at an angle of 62.8° with respect to the normal. If a layer of oil is placed on the top surface of the glass, the ray is totally reflected. What is the maximum possible index of refraction of the oil?

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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.

How long does this problem take to solve?

Our expert Physics tutor, Juan took 1 minute and 59 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

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