Specular and Diffuse Reflection

[TheGAURAVNARAYAN]

thanks



[slaattene]

Thank you. This was so much easier to learn than from a boring book. Interesting indeed :)

[Manwithsteelnerves]

just a small suggestion- Law of reflection holds even in Diffuse reflection.In Diffuse Reflection, the light scatters in different orientations because the surface of the underlying object will be not uniform.Pls correct me if im wrong. "Law of relection" holds for any light ray!

[hedonism13]

Khan comes on, pants come off.

[lolerxox]

....sorry..but i slept while i ws watching the Vid. LMAO !!

[abcman]

LMAOOO 6:14 "it's interesting to do if you're looking for things to do in the bathroom" LawL

[abcman]

THAAANKKK YOOUUUUUUUUU

[blackroze1000]

A ray of light strikes a mirror at an angle of 60 to the normal. the mirror is then rotated 18 clockwise. what is the angle that the reflected ray makes with the mirror ?

would some explain please :3 

[hedonism13]

@blackroze1000

An angle of 78. If the ray of light is stationary, but the surface it is reflecting off of is moving clockwise, then the angle it forms with the normal (the line 90 to the surface) is getting larger, in this case by 18. So the angle of incidence is 60+18=78. Since the angle of incidence is equal to the angle of reflection, it reflects at an angle of 78.

I know you asked a month ago and probably don't need the answer, it's still good to know.

[blackroze1000]

@hedonism13 lol thanx !!!! my teacher explained that twice and no one really got it xD ur way is much much easier O.O

[MERTx123]

Got here from a Between the Buried and Me song... Lol

[Marsc0met]

6:14 "it's a pretty interesting thing to do if you are looking for things to do in the bathroom" LOL

[ElisHong]

we should probably build a temple for Mr.Khan and worship him. Our bible will be textbook, our practice will be solving some equations.

[hedonism13]

@ElisHong

A reading, from the book of Physics, Chapter 135, verses 6:14 - 6:18.

"It's a pretty interesting thing to do if you're looking for things to do in the bathroom."

[kpaniracrbk]

hahaha...."If u'r looking for things to do in the bathrum!!" U ROCK MAN!!!

[Thymonico]

Eeeeh... Mumblemumble about stuff that's too obvious to waste time explaining to us. You/he/Khan could have thought us just as much in 1 minute. The rest of the time in the video was spent on repeating, showing too many examples and mumbling. =/

Khan has made better video's though.

[kpaniracrbk]

@Thymonico I think if ur studying this for the very first time in ur life,its actually a hard thing to get....so pls try being selfless n think abt other ppl here

[freeadplanet]

Oh he could have just said...MONOTONE blah blah Specular is like a mirror and diffuse scatters... get it? zzzzz No the way Sal teaches in a way that wakes you up and you learn. Also, you know when it is good when you already know all this stuff yet interesting to hear it from Sal. :P

[TheKturner05]

the world needs more people like Mr. Khan, thanks again and keep it up.

PS are you just brilliant and know all this stuff or learn as you go?

[skadogg22]

Awesome video! i just finished my optics course :)

[10GRr]

Light travels the ways that have the lowest optical resistance, if it takes less time, right? Whould then light cluster in rays, because light would warm ut a medium slightly so it whould give less optical resistans, making more light travel along the same spots?

[10GRr]

I guess that this is only true if the madium that the light travels has the same optical density? I guess that if you have cold air over the mountain, the light will bend down aourund the mountain so that the incoming angle whould be less?

[xUltimaProductionsx]

Thanks for this Sal. Optics is one of my favorite branches of physics.

[superdau]

Small correction: for the double reflection, the first point of reflection is not the same as for the single reflection. Because if it were, it would hit our eyes directly and could not go to the paddle.

[kpaniracrbk]

@superdau Cool observation dude....he corrected his mistake in his next vid!!

[stretchyrubberbands]

Will there be a video of a mathematical treatment of diffuse reflection coming up?

[litnight]

once again another beautiful video from kahn!!!

[LAnonHubbard]

Very nice video. It's great to get the terminology down.