A ray of light with wavelength 400m passes in a block of ice with n=1.40 that is surroinded by air. 1. What is the min angle for ray 2 that should creatr total intrnl reflectjon (the critical angle). 2. To get critical angle for ray 2, what is the angle of ray 1. 3. What is the energy of the light.

A ray of light with wavelength 400m passes in a block of ice with n=1.40 that is surroinded by air. 1. What is the min angle for ray 2 that should creatr total intrnl reflectjon (the critical angle). 2. To get critical angle for ray 2, what is the angle of ray 1. 3. What is the energy of the light.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter38: Refraction And Images Formed By Refraction

Section: Chapter Questions

Problem 104PQ

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

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A ray of light with wavelength 400m passes in a block of ice with n=1.40 that is surroinded by air.

1. What is the min angle for ray 2 that should creatr total intrnl reflectjon (the critical angle).

2. To get critical angle for ray 2, what is the angle of ray 1.

3. What is the energy of the light.

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