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Wave Optics

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Abishek
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Abishek


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PostSubject: Wave Optics Wave Optics EmptyMon Feb 22, 2010 4:38 am

Do we have to learn the derivation of conditions for constructive and destructive interference? And in the syllabus it is mentioned that we should learn measurement of fringe width using a telescope, i need some notes for this as it's not given in our text book, and what should we learn in fresnel's biprism?
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aarthi
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PostSubject: Wave Optics Wave Optics EmptyMon Feb 22, 2010 10:31 am

We have to do the derivation for constructive and destructive interference. You only need to know the basic working of Fresnel's Bi-prism. You need not go into details. Do learn the diagram. I'm sorry but even I don't have notes on the measurement of fringe width using a telescope. May I know which text book you are using?
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saif
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Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptyMon Feb 22, 2010 10:37 am

Hey ppl... sorry to going slightly off topic but this year from wave optics Michelson's method and derivation of refraction of light(using hygens principle) are very important....
Wave Optics 21120201
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Abishek
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Abishek


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PostSubject: Re: Wave Optics Wave Optics EmptyTue Feb 23, 2010 2:00 am

@ Aarthi: I'm using a book published by S.Chand ,and written by P.Vivekanandan and D.K.Banarjee. But in the syllabus it's given:"mathematical deductions of interference from the equations of two progressive waves with a phase difference is not to be done",and it's given that only the conditions for constructive and destructive interference are required.
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aarthi
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PostSubject: Wave Optics Wave Optics EmptyTue Feb 23, 2010 12:16 pm

@Saif: Thanks a lot! It was nice of you to send that. Smile
@Abishek: I checked the syllabus. You can skip the derivation of the conditions of constructive and destructive interference. But justv remember the final formula.
For constructive interference :
phase difference=2m(pi) [m=0,1,2,3.....]
For destructive interference:
phase difference=(2m-1)(pi) [m=0,1,2,3.....]

I'll go check in my school library if i can find notes on "Measurement of fringe width using a telescope". I'll try posting it by tomorrow evening.
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aarthi
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PostSubject: Measurement of fringe width using a telescope Wave Optics EmptyFri Feb 26, 2010 9:27 pm

@Abishek: Sorry for the delay. I am not sure if this is what we need to learn. But this is all I could find. I have searched all the books in my library and also on the net.
Wave Optics Scan0012
Wave Optics Scan0013
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diptojit
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Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptyFri Feb 26, 2010 11:47 pm

Hey guys...I'm using Nootan Physics and my book also doesn't have that telescope thing....I wonder if they're talking of a spectrometer to measure fringe width...as it also uses a telescope....
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Abishek
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Abishek


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PostSubject: Re: Wave Optics Wave Optics EmptySat Feb 27, 2010 2:06 pm

@Aarthi: thanks for that....but we need the telescope method to find the fringe width (beta)...we don't need the resolving power....plz post if you get any more info on the topic...ty Smile @
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WinRrule
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WinRrule


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PostSubject: Re: Wave Optics Wave Optics EmptySun Feb 28, 2010 2:55 pm

Guys, my teacher said Fresnel Biprism isn't important. and Michelson's method is not even in the syllabus. for fringe width derivation u can use any method u r comfortable with...
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aarthi
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PostSubject: Wave Optics Wave Optics EmptySun Feb 28, 2010 6:09 pm

Trust me I searched all I could! I couldn't find anything! Sad And since none of the ISC text books have it I don't think that should be so important. I use Nootan too. And Michelson's method is not in syllabus. That's right Geethu. And Fresnel's Biprism we must know what it is. Don't skip it. We need not learn in detail but an overview of it.
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kool
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kool


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PostSubject: Re: Wave Optics Wave Optics EmptySun Feb 28, 2010 7:58 pm

michelson's method is in syllabus........
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Abishek
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Abishek


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PostSubject: Re: Wave Optics Wave Optics EmptySun Feb 28, 2010 8:04 pm

yes it is in the syllabus and anyway it's easy so it's better to learn... Smile
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kool
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kool


Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptySun Feb 28, 2010 8:17 pm

ya its very much easy.....................
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WinRrule
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WinRrule


Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptySun Feb 28, 2010 8:43 pm

Ok.. can anyone pls give a link or any source for Fresnel's Biprism? My teachers didn't do it and i hav no idea what it is..! Pls help me..
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Abishek
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Abishek


Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptySun Feb 28, 2010 8:51 pm

hey geethu, you can learn the theory from this place: www.phy.iitkgp.ernet.in/1styr/12-fresnel-biprism.pdf Smile

you should download this first- it's pdf.
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kool
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kool


Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptySun Feb 28, 2010 8:52 pm

u may try this also
http://discovery.bits-pilani.ac.in/~raj/fresnel-biprism.pdf
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WinRrule
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WinRrule


Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptySun Feb 28, 2010 8:59 pm

@ Abhishekgr & kool:

Thank u..
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kool
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kool


Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptySun Feb 28, 2010 9:01 pm

u r always welcm
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cuckoo




Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptyMon Mar 08, 2010 10:43 pm

do any one know the important questions for all chapters. Wave Optics Icon_smile
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WinRrule
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WinRrule


Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptyTue Mar 09, 2010 9:23 am

Wave Optics:

1) Huygen's Principle (Refraction and Reflection)
2) Young's double slit Experiment derivation of frenge width with numericals
3) Interference (conditions)
4) Fraunhoffer Diffraction (Width of central maxima)
5) Brewster's law
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G-7
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G-7


Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptyTue Mar 09, 2010 11:49 am

aarthi wrote:
@Saif: Thanks a lot! It was nice of you to send that. Smile
@Abishek: I checked the syllabus. You can skip the derivation of the conditions of constructive and destructive interference. But justv remember the final formula.
For constructive interference :
phase difference=2m(pi) [m=0,1,2,3.....]
For destructive interference:
phase difference=(2m-1)(pi) [m=0,1,2,3.....]

I'll go check in my school library if i can find notes on "Measurement of fringe width using a telescope". I'll try posting it by tomorrow evening.

pardon me for my audacity....but...

for destructive interference,
where
'phi' = (2m - 1)*(pi) ; where m =1, 2 , 3.....
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WinRrule
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WinRrule


Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptyTue Mar 09, 2010 4:24 pm

Hey can someone pls post notes for Spectrometer.. Thanks in advance.. I would prefer an animation but even if it is a juz explanation, its fine..
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G-7
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G-7


Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptyTue Mar 09, 2010 5:08 pm

hey...check this out:

http://www.cmi.ac.in/~ravitej/lab/1-spectrometer.pdf
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G-7
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G-7


Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptyTue Mar 09, 2010 5:09 pm

i dunno h0w far its gonna be useful for us...juz ign0re the stupid graphs at the bottom..!!

i think its not that bad... i didnt get any other thing...
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G-7
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G-7


Wave Optics Vide
PostSubject: Re: Wave Optics Wave Optics EmptyTue Mar 09, 2010 5:10 pm

plz update if u get any better sources.....
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Wave Optics Vide
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