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The ray of light shown in FIGURE $26-79$ passes from medium 1 to medium 2 to medium $3 .$ The index of refraction in medium1 is $n_{1},$ in medium 2 it is $n_{2} > n_{1},$ and in medium 3 it is $n_{3} > n_{2}$ .Show that medium 2 can be ignored when calculating the angleof refraction in medium $3 ;$ that is, show that $n_{1} \sin \theta_{1}=n_{3} \sin \theta_{3}$

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Physics 103

Chapter 26

Geometrical Optics

Wave Optics

University of Washington

Simon Fraser University

Hope College

University of Sheffield

Lectures

02:51

In physics, wave optics is…

10:02

Interference is a phenomen…

06:02

(a) Light traveling in a m…

02:40

Physics When a ray of ligh…

03:20

Total Internal Reflection<…

02:43

Reflection and Refraction<…

00:55

Refraction of Light It has…

02:17

04:35

The ray of light shown in …

03:19

01:42

00:59

If the angle of incidence …

in this question, we are given three millions on the light is coming from medium one into going into medium to and then going into a medium three. We want to show that, uh, and one sided one is equal to entry scientist a tree, and we can ignore the second medium king. So to do this problem will be using Snell's law. Yes. So, using it sounds law. Right for, uh, one to interface a meaning here. So we have. And one sign data one is equal to and to sign data to Yeah, and then your place. Now it's all again using It's now It's law. Uh huh. Uh huh. Yeah, to tree in the face. So we have. And to scientists to Does he go through and three scientist retreat. Mhm. And you can see that thes two equations. You can equip them. Okay, so one is equal to two. Which means that and one sign did a one, is it go to entry scientific tree. Hey, Sean. And you also found that, uh um to can be ignored. Okay, when calculating data tree. Okay. Okay. So that's all

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