A beam of laser light with wavelength 623 nm is directed through a slab of glass having index of refraction 1.53. (a) For what minimum incident angle would a ray of light undergo total internal reflection? (b) If a layer of water is placed over the glass, what is the minimum angle of incidence on the glass-water interface that will result in total internal reflection at the water-air interface? (The beam of light is directed upward through the slab of glass, through the layer of water, and experiences total internal reflection at the water-air interface on top.) (c) Does the thickness of the water layer or glass affect the result? O The thickness has no effect. O Yes. Greater thickness will increase the minimum angle. O Yes. Greater thickness will decrease the minimum angle. (d) Does the index of refraction of the intervening layer affect the result? O The index of refraction has no effect. O Yes. A higher index of refraction will decrease the minimum angle. O Yes. A higher index of refraction will increase the minimum angle.

A beam of laser light with wavelength 623 nm is directed through a slab of glass having index of refraction 1.53. (a) For what minimum incident angle would a ray of light undergo total internal reflection? (b) If a layer of water is placed over the glass, what is the minimum angle of incidence on the glass-water interface that will result in total internal reflection at the water-air interface? (The beam of light is directed upward through the slab of glass, through the layer of water, and experiences total internal reflection at the water-air interface on top.) (c) Does the thickness of the water layer or glass affect the result? O The thickness has no effect. O Yes. Greater thickness will increase the minimum angle. O Yes. Greater thickness will decrease the minimum angle. (d) Does the index of refraction of the intervening layer affect the result? O The index of refraction has no effect. O Yes. A higher index of refraction will decrease the minimum angle. O Yes. A higher index of refraction will increase the minimum angle.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter25: Reflection And Refraction Of Light

Section: Chapter Questions

Problem 16P

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