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Chemistry practical file bsc 2 yr

 Chemistry practical file bsc 2 yr  Jv jain college saharanpur  File -  Download
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CLASS 12 PHYSICS BEST SAMPLE PAPER

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class 12 organic chemistry / general conversion

class 12 organic chemistry / general conversion , organic chemistry class 12 . some general conversions which helps you to do all types of question related to conversions .  pdf link-- download pdf some questions for practice .. pdf link -- practice questions

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

NUCLEI class 12 physics ch 13 revision notrs pdf

NUCLEI class 12 physics ch 13 revision notrs pdf , class 12 physics revision notes of chapter 13 NUCLEI by blue sky pcm , blue sky posts YOUTUBE VIDEO- watch video PDF FILE-  PDF notes all the important topics covered . topics covered---- Nucleus, composition of nucleus,mass of protons,mass of neutron, charge of protons, charge of neutron, mass and charge of electron. atomic number,mass number, size of nucleus, volume of nucleus,nuclear mass,nuclear density, atomic mass unit , mass energy relationship. mass defect, isotopes, isobars,isotones, binding energy, binding energy per nucleon , stability of nucleus, important feature of binding energy curve. Nuclear force. it's properties, charge independent, radioactivity, nuclear radiation, alpha particles,beta particles,gamma particles,rays comparison of alpha, beta and gamma. laws of radioactive disintegration. radioactive decay constant. radioactive decay law. half life, full life, average life,mean life activity, Nucl

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