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I want to write a short essay on any topic under physical optics. I want someone to suggest me an interesting topic:)
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I would talk about spectroscopy in general. Perhaps some specific kind of spectroscopy like raman or infrared spectroscopy. How they use that to test quality in products or determine the compounds present in a sample. You can talk about how the way model would fail to describe the phenomena present in something like spectroscopy or any place where the ray model fails. i.e. wherever there is interference, diffraction, polarization etc.. Does that help?
ya sounds good.:) can u plz suggest some models which describe diffraction, interference etc.
The wave model of light is what explains all of those phenomena
sorry of light not is light
ooooh physical optics.. its very interesting..
you can start with theories of light. how Newton thought it was made of particles just like matter.. and how the dutch astronomer Huygen argued that it was a wave.. just like sound.. and how there was a clash of theories but.. Newton prevailed cause of his phenomenal earlier discoveries and his great rep.. But Newton's theory had a huge shortcoming that, it predicted light would speed up in a denser medium.. and ultimately proved wrong got shot down... and now we accepted the wave theory of light.. and it wasn't long before it was given an experimental evidence.. by Thomas A young in 1801 when he did the infamous double slit experiment.. putting a final nail into the coffin.. ! But then again, one big answer was not yet answered.. what was waving..?? Talk about his rubbish Aether medium and how it was finally disproved.. and now we were again back into the stone age with no theory..
It was during this time that a Scotish mastero James clerk Maxwell was doing his homework studying about electricity and magnetism and its connection .. and developed this new concept of electromagnetic waves.. a wave like NO OTHEr... a wave which could travel in vacuum... a wave which required no medium what so ever, cause there was no physical particles that were waving but.. fields.. and how his theoretical calculation of the speed of the electromagnetic waves, perfectly matched with the experimental calculation of the speed of light .. and gwallllaaaaa... LIGHT = electromagnetic wave .. and there we had solved it.. until in the mid 1900s we faced with another problem.. IN comes BLACK BODY RADIATION and Max Plancks revolution and resurrection of particle theory to explain it and throwing away the EM wave theory in what he later called as an "act of despair".. man.. physics of optics is jjust TOOOOOOOOO exciting.. :D.. and i can go on and on and on.. !! so you get the poitn!
yup sounds cool. thanks a lot both of u:)
yup no problem.. if i were you.. my problem would be limiting myself :D..