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An optical fiber uses flint glass clad with crown glass. What is the critical angle?

$66.3^{\circ}$

Physics 103

Chapter 25

Geometric Optics

Reflection and Refraction of Light

Rutgers, The State University of New Jersey

University of Michigan - Ann Arbor

Simon Fraser University

McMaster University

Lectures

02:30

In optics, ray optics is a…

10:00

In optics, reflection is t…

01:24

A glass optical fiber $(n=…

03:10

The critical angle for a s…

01:53

Regarding refraction, what…

01:49

Light travels from flint g…

00:50

At what angle is light ins…

01:41

A block of glass has a cri…

00:54

What is Brewster’s angle f…

01:08

A thin glass rod is submer…

04:32

What is the angle of incid…

08:52

Light moves from flint gla…

01:32

Light in air is incident u…

04:37

What is the critical angle…

01:33

Is there a critical angle …

01:59

(I) What is the critical a…

04:19

An optic fiber of refracti…

00:29

What is Brewster's an…

04:01

A light ray is incident on…

01:16

A light beam in air has an…

03:16

A fiber-optic cable used f…

fiber optics we have plating in the core. So let's This is a core where we have a plating year for the glass. So this is a fiber optics? No, the cladding is so light travels. So here is there, uh, they're plating. And here's the plating and this is court. So So in orderto for light to reflect back totally internally then, um, the angle should be equal to critical anger or, um so the greater than the critical angle. So, for a total internal reflection, then we can write the Snell's Law O jesu reflecting Dex Ah, four. Then core times sign off, angle off. Incidentally, so this is will be work going so critical angle I will define it for Bridget will reflecting. And this case the perfecting decks for plating soc l I will use cleaning and this is a sign off Angle off refraction were angle of reflection for heat. This case is a 90 degrees. Then we can write a critical angle for flint blast with chrome glass is assigning worse off signing horse off friendly index over plating c l derided by refracting knicks off a court end off the problem. Thank you for watching

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