Engg. Physics I Unit-1 I Quantum Mechanics I Part-1 I by Gulshan Sir I Gateway Classes I AKTU

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AKTU Physics
Unit-1: Quantum Mechanics
Inadequacy of classical mechanics, Planck’s theory of black body radiation(qualitative),
Compton effect, de-Broglie concept of matter waves, Davisson and Germer Experiment,
Phase velocity and group velocity, Time-dependent and time-independent Schrodinger
wave equations, Physical interpretation of wave function, Particle in a one-Dimensional
box.
Unit-2: Electromagnetic Field Theory
Basic concept of Stoke’s theorem and Divergence theorem, Basic laws of electricity and
magnetism, Continuity equation for current density, Displacement current, Maxwell
equations in integral and differential form, Maxwell equations in vacuum and in
conducting medium, Poynting vector and Poynting theorem, Plane electromagnetic
waves in vacuum and their transverse nature. Relation between electric and magnetic
fields of an electromagnetic wave, Plane electromagnetic waves in conducting medium,
Skin depth.
Unit-3: Wave Optics
Coherent sources, Interference in uniform and wedge shaped thin films, Necessity of
extended sources, Newton’s Rings and its applications, Introduction to diffraction,
Fraunhoffer diffraction at single slit and double slit, Absent spectra, Diffraction grating,
Spectra with grating, Dispersive power, Resolving power, Rayleigh’s criterion of
resolution, Resolving power of grating.
Unit-4: Fiber Optics & Laser
Fibre Optics: Principle and construction of optical fiber, Acceptance angle, Numerical
aperture, Acceptance cone, Step index and graded index fibers, Fiber optic
communication principle, Attenuation, Dispersion, Application of fiber.
Laser: Absorption of radiation, Spontaneous and stimulated emission of radiation,
Population inversion, Einstein’s Coefficients, Principles of laser action, Solid state Laser
(Ruby laser) and Gas Laser (He-Ne laser), Laser applications.
Unit-5: Superconductors and Nano-Materials:
Superconductors: Temperature dependence of resistivity in superconducting
materials, Meissner effect, Temperature dependence of critical field, Persistent current,
Type I and Type II superconductors, High temperature superconductors, Properties and
App
AKTU RESULT ODD SEM 2023
AKTU PHASE-II Result 2023
Aktu,
Aktu b.tech syllabus,
Aktu b.tech pattern,
Engineering mathematics,
Engg maths 1,
Mechanical engineering,
Electrical engineering,
Electricals,
Engineering physics,
Full engineering syllabus,
How to score in semester exam,
Engineering mechanics 1st year,
1st year engineering syllabus

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00:06 Unit-1 of Engineering Physics focuses on Quantum Mechanics 02:23 Quantum Mechanics is the study of microscopic particles and their behavior. 06:46 The photoelectric effect had its roots in classical mechanics but later became a topic of study in quantum mechanics. 09:00 Black body absorbs all wavelengths of radiation. 13:22 The spectrum of black body radiation shows different temperatures in the graph. 15:31 The intensity of radiation is highest at a specific wavelength 19:40 Energy distribution in D spectrum of black body 21:29 Energy emitted in a black body is directly proportional to the fourth power of absolute temperature. 25:24 Temperature is inversely proportional to wavelength (lambda) 27:38 Classical mechanics cannot fully explain black body radiation. 31:48 Quantum mechanics studies the discrete nature of energy in oscillators. 33:54 Oscillators absorb energy in discrete packets 38:11 The formula for radiation can be applied to any wavelength. 40:29 The concept of small wavelength and its effect on the overall value is explained 44:29 The formula for A's power of x is +x + x²/2 46:49 Frequency and wavelength are inversely proportional 50:46 D radiation refers to modified radiations with changed wavelengths 52:49 Quantum mechanics and the concept of wavelength shift in collisions 57:22 After collision, the energy of the electron must have increased. 59:06 The energy and momentum of a photon decrease when its frequency decreases. 1:04:04 Momentum is a vector quantity and cannot be directly added. 1:07:02 Completing the equation with C and discussing the symbols for frequency 1:16:10 The energy of photons and electrons can be calculated using the equation mc² 1:20:13 Cancellation of terms in quantum mechanics equations 1:25:47 The rest mass of a body is its mass when at rest, but it changes when in motion around the velocity of light. 1:28:12 The velocity of light and its equation derived 1:36:10 Wavelength of photon remains constant for different angles of incidence 1:39:17 The value of δ is given by δ = ha / m 1:44:43 The formula for the energy of an electron is Lambda - 1 / Lambda Death. 1:47:15 The value of θ determines the maximum and minimum values. 1:51:27 Percentage of wavelength change in quantum mechanics is very small but can be detected. 1:54:07 The quantum shift formula is used to calculate the value of Lambda. 1:59:11 After scattering, the wavelength doubles compared to the initial wavelength. 2:01:53 Calculating the wavelength using the formula c/lambda 2:07:52 The topic is about Vav particle validity and the duality of radiation. 2:10:18 Radiation exhibits both particle and wave properties 2:14:40 The energy of a photon can be calculated using Einstein's mass-energy relation. 2:18:39 The formula for calculating the wavelength of a material particle is λ = h / (mv) 2:23:18 The relation between temperature and energy is described by a formula. 2:26:46 The relationship between energy and charge 2:32:01 The wavelength of a particle at rest becomes infinite. 2:33:57 The wavelength becomes zero when the particle is not in motion 2:38:30 The formula 12.28/√v gives the answer in Angstrom 2:41:34 The formula tells you how only electrons 2:47:53 Calculate the Broglie wavelength associated with a Proton 2:50:37 The derivation of De Broglie wavelength formula for particles moving with one-twentieth the velocity of light. 2:55:33 Calculate the de Broglie wavelength by substituting the given values into the formula 2:57:45 Practice the concepts and refer to the notes for further explanation

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26:00 26:02 26:03

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Devmanush

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Dive into Quantum Mechanics vibes! 🌀 Explore classical vs. quantum mechanics in #EngineeringPhysics with Gulshan Sir at GateWay Classes! 🎥 Unravel the mysteries and join the quantum world! #AKTU #PhysicsFun

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sir plz provide a lecture for optical fiber and laser.

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Compton effect ke last m both side c se multiply karna h ek side he karke solve kardiya

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please upload the oneshot of unit 2 and 3 also it will really be helpful

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Rgpv ke liye same h kya syllabus

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Compton effect 46:23 to 1:52:25 and numerical end at 2:09:00

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Sir I have a doubt. If lemda m is inversely proportional to the temperature then Why the Lemda max increased when temperature increases in the graph.

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When temperature is increase the graph shifted upwards but lambda max is shifted leftwards that means it is reduced i think you are confused in both horizontal and vertical displacement

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Sir

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Sir kl exam hai first 2 somes ka value mera calculation alag aa raha h sir

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IPEC COLLEGE ATTENDANCE LAGAO

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Sir jb koi Aisa object hi nhi h jiska speed light ke speed ke equivalent ho to kaise pata ki uss object ka mass change ho skata hai ??

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Hue pass?

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46:19 Crompton effect

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1:34:08 sir ne both sides multiply kahan kiya C se..??

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sir sabhi units k video upload kijiye jaldi, please

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anyone from rec kannauj....

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Sir unit 1 ka bachha hua part ki one short viedo dal dajiye

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Hello

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Time independent kaha hai sir

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hi, i'll join college in aug and i have btech cse(aiml) this video will for it or is it for cse core only ?

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Yes..... .Syllabus will remains same for 2024-25.........also Syllabus remains same for all branches in B.Tech First Year

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Is it only for aktu students

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51:29

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sir last question mai mera 0.4848A aa rha h. maine m ki value pahle calculate kr li then usko rakha

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Sir jb se video upload Kiya hai 40 minutes hi video dekh paya hu

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Sir chapter 2 and 3 ka bhi oneshot kra do

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Sir ye Rgpv me bhi pad skte h na

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Yes

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Maths ki unit 3 Fourier k bd complete kr dijiye

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Imp questions cha video kra