Snell's Law & Index of Refraction Practice Problems - Physics

This physics video tutorial provides a basic introduction into snell's law which shows the relationship between the angle of incidence and the angle of refraction given the index of refraction of the two materials. This video explains how to calculate the speed of light of water given the index of refraction of water or how to calculate the index of refraction of diamond given the speed of light in diamond. It mentions how to calculate the wavelength of light in glass given the wavelength of light in a vacuum. This video on geometric optics contain plenty of examples and practice problems. As light moves from a material with a low index of refraction to a material with a high index of refraction, the light ray bends toward the normal line.
Law of Reflection - Geometric Optics:
• Law of Reflection - Ge...
The Mirror Equation:
• Spherical Mirrors & Th...
Refraction of Light:
• Refraction of Light
Snell's Law & Index of Refraction:
• Snell's Law & Index of...
Total Internal Reflection & Critical Angle:
• Total Internal Reflect...
Thin Lens Equation:
• Thin Lens Equation, Op...
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Ray Diagrams:
• Ray Diagrams
The Huygens Principle:
• Huygens Principle - Ph...
Young's Double Slit Experiment:
• Young's Double Slit Ex...
Single Slit Diffraction:
• Single Slit Diffractio...
Diffraction Grating Problems:
• Diffraction Grating Pr...
Polarization of Light Problems:
• Polarization of light ...
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[@TheOrganicChemistryTutor]

Final Exams and Video Playlists: www.video-tutor.net/

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[@nasserBack]

Please make a video on thin-film interference

[@mgborupat295]

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[@IAmSwatchingYou]

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[@symphonyofsolidarity]

Will the angle of refraction from diamond to air be equal to 60° in the air water diamond problem? 10:00

[@zombiekunfu100]

Ur explanation is very much helpful 😁. If possible can u make a video on apparent depth and normal shift

[@memeboy6442]

Could you make your voice louder while explaining, i had to put my headphones volume on FULL just to be able to hear what you were sayin innit? Thanks for having subtitles tho

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Just to let you know, it is difficult to discern the dark blue color with the black background.

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[@mattm8846]

x in the last problem should be 41.73 as 48.27 would be the other angle. 90-47.27 gives us the angle depicted as x.

[@JeffReams]

Amazing video ... thanks yet again!

[@kursteensamantha1499]

does anybody know how to type it on calculator how did he find the angle of refraction😭 please i badly need help

[@laceyharrison384]

What is the unit of measurement of the answer at 2:19?

[@playeee]

n = index of refraction so there is no unit to it

[@Guttor]

it's just a ratio

[@hridayjhala8465]

@laceyharrison384, reason to this is because the units cancel out, thus becoming no units.

[@susankalaba6132]

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[@luckyprosperity6408]

Thank you!

[@tresor-angeoertel942]

At 14:00 why can you just neglect n2sinθ2 from a physics standpoint?

[@Emma11-ix6cv]

I did understood,but I'm kinda confused with sine -¹(........) Like what's the -¹ for?

[@hadihamade2053]

The inverse sin of 1, ie sin-1 (1) is a very special value for the inverse sine function. Remember that sin-1(x) will give you the angle whose sine is x . Therefore, sin-1 (1) = the angle whose sine is 1.

[@marissahuish5461]

when i plug in 1Sin(30) into the calculator i get -.98, not .5 like in the problem, why is that??

[@evelynnavarro3892]

you have your calculator in radians. it needs to be in degrees for these type of problems :)

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[@welln0w]

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Thanks man

[@mr.unknown6566]

What is the value of sin-1

[@Abdullah-ux5cu]

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[@naturematters08]

very useful

[@alperenozdemir1332]

Perfect

[@coconutlover]

dont you allways have to change the wavelength in meters?

[@joshuekarloanino4468]

how did it become22°?

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in my exams to

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[@rojhiwa4083]

miss malak said n is bigger in water so light is faster in water ur wrong smd

[@milesblatherwick9349]

THANK YOU SO MUCH