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/sci/ - Science & Math

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>> No.1264888 [View]
File: 8 KB, 259x179, 259px-Compton-scattering.svg.png [View same] [iqdb] [saucenao] [google]
1264888

^^^^^^^^Whoops sorry forgot pic lol here it is ^^^^^^^^^

>> No.1264885 [View]

Alright so this is what I'm getting out of it. Referring to the pic on the left, a gamma ray of wavelength λ comes and hits an electron. Some of the energy is transferred, but not all of it. The gamma ray lowers its wavelength as a result of the loss of energy and the new wavelength is λ', and an angle of incidence θ is formed.

Is all of that correct? referring to the equation

λ' = λ + [Planck's constant/(rest mass)(speed of light in a vacuum)] (1 - cos θ)

>> No.1264847 [View]

>>1264835
Thanks, and yes your pair production definition is correct.

>> No.1264818 [View]

>>1264789
So if a visible ray of light interacted with an electron it would only excite it? Also the chart says at low energy interactions the photoelectric effect takes place, but don't you need a high amount of energy to expel electrons from an atom (photoelectric effect)?

>> No.1264770 [View]

Also, when it says, "A photon is scattered off of an electron", does that mean that a photon collides with an electron inelastically and bounces off?

>> No.1264759 [View]

>>1264751

Could you explain what the frequency of the photon has to do with the interaction, and what this chart has to do with it.

Low energy phenomena Photoelectric effect
Mid-energy phenomena Compton scattering
High energy phenomena Pair production

>> No.1264756 [View]

Much much much more oxygen in our atmosphere back then.

>>1264730
It wouldn't have much of an effect.

>> No.1264721 [View]

Thanks for copy/pasting wikipedia, but that's isn't helping much :[

>> No.1264657 [View]

Alright I'll tell you guys what I know about it so far and what I'm looking for.

I'm reading that it was theorized by A. H. Compton in 1923 because light could not be properly defined by the wave model. It has to do with interactions with photons and electron interactions.

My text book is talking about the frequency of the photon being the defining factor of what occurs, but it doesn't go into much detail about it.

And then there's this chart which boggles my mind further.

Light-matter interaction
Low energy phenomena Photoelectric effect
Mid-energy phenomena Compton scattering
High energy phenomena Pair production

Explain to me /sci/

>> No.1264626 [View]
File: 4 KB, 240x188, compton.png [View same] [iqdb] [saucenao] [google]
1264626

/sci/, tell me everything you know about Compton Scattering (Leymans terms preferred). It's confusing the hell out of me and I can't wrap my mind around it.

>> No.1260022 [View]
File: 30 KB, 500x500, Movers-&-Shakers-Animated-Sheep-With-Guitar-56-91004.jpg [View same] [iqdb] [saucenao] [google]
1260022

Melodysheep appreciation thread, because I KNOW you've all listened to it.

>> No.1255377 [View]

Don't you have Real-world applications sections in your textbook? I do.

>> No.1255369 [View]

>>1255349

That's a cool ratio you got there.

>> No.1255307 [View]

Alright I'll play because I'm bored.

>> No.1255222 [View]

Giancoli - Physics 5th is better imo

>> No.1254063 [View]

>>1254025

Wouldn't you have a ferrofluid then?

>> No.1253830 [View]

What that? That's just the standard notation for limits..

>> No.1252732 [View]

Because only engineers do, as shown in the pic.

>> No.1252726 [View]

How efficient would it be?

>> No.1251322 [View]

That's just how it balances.

>> No.1251209 [View]
File: 3 KB, 126x95, What the fuck man.jpg [View same] [iqdb] [saucenao] [google]
1251209

Rule of right thumb, man.

>> No.1251175 [View]

Displacement = (Veloctiy)(Time) + ( .5)(Acceleration)(Time)^2

>> No.1251168 [View]

(Final Velocity)^2 = (Initial Velocity)^2 + (2)(Acceleration)(Displacement)

>> No.1249309 [View]

I guess I had it backwards, I tend to skim through important information, OP the voltage difference is only about 1V, which really isn't a lot at all. Go for it.

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