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Wave Optics class 12 physics ch 10 revision notes pdf

Wave Optics class 12 physics ch 10 revision notes pdf , class 12 physics chapter 10 wave optics revision notes pdf by blue sky . Youtube video -- PDF NOTES- download file Physical optics is also the name of an approximation commonly used in optics, electrical engineering and applied physics . In this context, it is an intermediate method between geometric optics , which ignores wave effects, and full wave electromagnetism , which is a precise theory . The word "physical" means that it is more physical than geometric or ray optics and not that it is an exact physical theory. [1] :11–13 This approximation consists of using ray optics to estimate the field on a surface and then integrating that field over the surface to calculate the transmitted or scattered field. This resembles the Born approximation , in that the details of the problem are treated as a perturbati...

ATOMS class 12 physics ch 12 revision notes pdf

ATOMS class 12 physics ch 12 revision notes pdf, class 12 physics chapetr 12 ATOMS revision notes pdf file by blue sky . Youtube video- watch video PDF FILE- Download pdf in this video we cover all the topics ----- what is atom? Thomson atomic model of atom failure of Thomson atomic model Rutherford alpha particles scattering experiment it's observations distance of closest approach impact parameter results of Rutherford's alpha particles scattering experiment. cause of failure of Thomson and Rutherford model. Bohr atomic model postulate of Bohr atomic model mathematical analysis of Bohr atomic model spectrum of hydrogen atom lymon series balmer's series parchen series bracket series pfund series excitation excitation energy excitation potential ionisation energy drawbacks of Bohr atomic model. Introduction to the Bohr Model Bohr model of the atom was proposed by Neil Bohr in 1915. It came into existence with the modification of Rutherford’s model of an ...

Communication system class 12 physics revision notes

Communication system class 12 physics revision notes, class 12 physics chapter 15 , now 14 - revision notes pdf by blue sky pcm, blue sky posts . Youtube video - watch video PDF FILE -- Pdf file topics covered---- definition of communication system block diagram of modern communication signals, transmitter, receivers, communication channel, bandwidth,no. of channel, noise, transducer, attenuation, amplification, range, baseband, repeater, modulation,mode of communication. point to point point to many earth's atmosphere propogation of EMW types of modes of propogation. ground wave propagation, sky wave propagation, space wave propagation,line of sight, satellite communications, ionosphere, troposphere, transmitter receiver, critical frequency,skip distance, fading, modulation,need for modulation, types of modulation amplitude modulation frequency modulation phase modulation. expression for amplitude modulation side bands., upper side bands, Lower side bands,band width...

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