### Ph3151 Engineering physics (EP-1)

### Stuff Sector

*Prepared by *

** S.Santhosh**__ (Admin)__** **

Important questions

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*Prepared by*

**S.Santhosh**

__(Admin)__

*share it a link alone*

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__Don't share as screenshot kind request__UNIT -1

1. Gyroscope ,torsional pendulum

,double pendulum**

2. rotational kinetic energy and moment of inertia - theorems of M .I

UNIT-2

1. Maxwell’s equations

2.properties of electromagnetic waves: speed, amplitude, phase

UNIT-3

1. Doppler effect,Michelson interferometer,

**einstein**2. LAser full topic**

UNIT-4

1.rare Free particle particle in a infinite potential well

2. SchrÃ¶dinger’s wave equation**.

3. Compton affect

UNIT-5

**1. harmonic oscillator**

**2. Bloch’s theorem****

**3.Kronig-Penney model****

**4.rare tunneling microscope**

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*Contact uS*
***These questions are expected for the exams This may or may not be asked for exams **** ***All the best**.... from admin Santhosh*

** Thanks for your love and support guys keep supporting and share let the Engineers know about Us and leave a comment below for better improvements ***If there is any doubt feel free to ask me I will clear if I can or-else I will say some solutions ..get me through WhatsApp for instant updates* __~$tuff$£ctor__SYllabuSUNIT I MECHANICS Multi-particle dynamics: Center of mass (CM) – CM of continuous bodies – motion of the CM – kinetic energy of the system of particles. Rotation of rigid bodies: Rotational kinematics – rotational kinetic energy and moment of inertia - theorems of M .I –moment of inertia of continuous bodies – M.I of a diatomic molecule - torque – rotational dynamics of rigid bodies – conservation of angularmomentum – rotational energy state of a rigid diatomic molecule - gyroscope - torsional pendulum – double pendulum –Introduction to nonlinear oscillations. UNIT II ELECTROMAGNETIC WAVES The Maxwell’s equations - wave equation; Plane electromagnetic waves in vacuum, Conditions on the wave field - properties of electromagnetic waves: speed, amplitude, phase, orientation and waves in matter - polarization - Producing electromagnetic waves - Energy and momentum in EM waves: Intensity, waves from localized sources, momentum and radiation pressure - Cell-phone reception. Reflection and transmission of electromagnetic waves from a non-conducting medium- vacuum interface for normal incidence. UNIT III OSCILLATIONS, OPTICS AND LASERS Simple harmonic motion - resonance –analogy between electrical and mechanical oscillating systems - waves on a string - standing waves - traveling waves - Energy transfer of a wave - sound waves - Doppler effect. Reflection and refraction of light waves - total internal reflection - interference –Michelson interferometer –Theory of air wedge and experiment. Theory of laser - characteristics - Spontaneous and stimulated emission - Einstein’s coefficients - population inversion - Nd-YAG laser, CO2 laser, semiconductor laser –Basic applications of lasers in industry. UNIT IV BASIC QUANTUM MECHANICS Photons and light waves - Electrons and matter waves –Compton effect - The Schrodinger equation (Time dependent and time independent forms) - meaning of wave function - Normalization –Free particle - particle in a infinite potential well: 1D,2D and 3D Boxes- Normalization, probabilities and the correspondence principle. UNIT V APPLIED QUANTUM MECHANICS The harmonic oscillator(qualitative)- Barrier penetration and quantum tunneling(qualitative)- Tunneling microscope - Resonant diode - Finite potential wells (qualitative)- Bloch’s theorem for particles in a periodic potential –particles in a periodic potential –Basics of Kronig-Penney model and origin of energy bands.

*Contact uS*

***These questions are expected for the exams This may or may not be asked for exams**

*All the best**.... from admin Santhosh*

**Thanks for your love and support guys keep supporting and share let the Engineers know about Us and leave a comment below for better improvements**

*If there is any doubt feel free to ask me I will clear if I can or-else I will say some solutions ..get me through WhatsApp for instant updates*

__~$tuff$£ctor__UNIT I MECHANICS

Multi-particle dynamics: Center of mass (CM) – CM of continuous bodies – motion of the CM –

kinetic energy of the system of particles. Rotation of rigid bodies: Rotational kinematics – rotational kinetic energy and moment of inertia - theorems of M .I –moment of inertia of continuous bodies – M.I of a diatomic molecule - torque – rotational dynamics of rigid bodies – conservation of angularmomentum – rotational energy state of a rigid diatomic molecule - gyroscope - torsional pendulum

– double pendulum –Introduction to nonlinear oscillations.

UNIT II ELECTROMAGNETIC WAVES

The Maxwell’s equations - wave equation; Plane electromagnetic waves in vacuum, Conditions on

the wave field - properties of electromagnetic waves: speed, amplitude, phase, orientation and

waves in matter - polarization - Producing electromagnetic waves - Energy and momentum in EM

waves: Intensity, waves from localized sources, momentum and radiation pressure - Cell-phone

reception. Reflection and transmission of electromagnetic waves from a non-conducting medium-

vacuum interface for normal incidence.

UNIT III OSCILLATIONS, OPTICS AND LASERS

Simple harmonic motion - resonance –analogy between electrical and mechanical oscillating

systems - waves on a string - standing waves - traveling waves - Energy transfer of a wave - sound

waves - Doppler effect. Reflection and refraction of light waves - total internal reflection -

interference –Michelson interferometer –Theory of air wedge and experiment. Theory of laser -

characteristics - Spontaneous and stimulated emission - Einstein’s coefficients - population

inversion - Nd-YAG laser, CO2 laser, semiconductor laser –Basic applications of lasers in industry.

UNIT IV BASIC QUANTUM MECHANICS

Photons and light waves - Electrons and matter waves –Compton effect - The Schrodinger

equation (Time dependent and time independent forms) - meaning of wave function -

Normalization –Free particle - particle in a infinite potential well: 1D,2D and 3D Boxes-

Normalization, probabilities and the correspondence principle.

UNIT V APPLIED QUANTUM MECHANICS

The harmonic oscillator(qualitative)- Barrier penetration and quantum tunneling(qualitative)-

Tunneling microscope - Resonant diode - Finite potential wells (qualitative)- Bloch’s theorem for particles in a periodic potential –particles in a periodic potential –Basics of Kronig-Penney model and origin of energy bands.