Kerala Technological university KTU First year B.tech Syllabus for PH100 ENGINEERING PHYSICS is given By** **

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**Course No. : **PH100

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**Course Name:**** **ENGINEERING PHYSICS

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**L****-****T****-****P****-****Credits: ****3-1-0-4 **

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**Year of Introduction: ****2015**

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**Co****u****r****se****
****Ob****j****ect****i****v****e****s:**

Most of the engineering disciplines are rooted in Physics. In fact a good engineer is more or less an applied physicist. This course is designed to provide a bridge to the world of technology from the basics of science and to equip the students with skills in scientific inquiry, problem solving, and laboratory techniques.

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**S****yllabus:**

Harmonic Oscillations: Damped and Forced Harmonic Oscillations. Waves: One Dimensional and Three Dimensional waves, Crystal Structure: Crystal planes and Directions, Miller indices Superconductivity: Properties and Applications, Interference: Interference in thin films (Reflected system) Diffraction: Fraunhofer and Fresnel Diffraction, Grating, Polarization of Light: Double refraction, production and detection of polarized light, Quantum Mechanics: Schrodinger Equations- Formulation and Solution, Operators, Applications. Statistical Mechanics: Microstates and macro states Maxwell- Boltzmann, Bose-Einstein and Fermi Dirac statistics, Planck’s Radiation formula, Acoustics: Intensity of sound, Reverberation and design concepts, Ultrasonics: Production, Detection and Applications, NDT methods, Lasers: Properties, Working Principles, Practical Lasers. Photonics: Basics of Solid State lighting, Photo detectors, Solar Cells, Fiber Optics.

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**E****xpected outcome: **

### Text Book:

2. A Text Book of Engineering Physics, A.S. Vasudeva, S. Chand & Co

3. Applied Physics for Engineers, Neeraj Mehta, PHI Ltd

#### References:

2. Engineering Physics, B.K. Pandey, S. Chathurvedi, Cengage Learning

3. Engineering Physics , Bhattacharya and Tandon , Oxford India

4. Concepts of Modern Physics, Arthur Beiser, 6e, McGrawHill India Ltd

5. Optics , Eugene Hecht, 4e, Pearson Education

6. A text book of Optics , Brijlal and Subramanyam, 4e, S.Chand

7. Fiber Optic Communications , Joseph C Palais, 4e, Pearson Education

8. University Physics , Sears and Zemansky, 13e, Pearson

Web:

www.physics.org, www.howstuffworks.com, www.physics.about.com

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**Module 1 Contents**

**Module 1 Contents**

Oscillations and Waves

Harmonic Oscillations: Differential equation of damped harmonic oscillation, forced harmonic oscillation and their solutions- Resonance, Q factor, Sharpness of resonance- LCR circuit as an electrical analogue of Mechanical Oscillator (Qualitative)

Waves: One dimensional wave- differential equation and solution. Three dimensional waves – Differential equation & its solution. Transverse vibrations of a stretched string.

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**Module 2 Contents**

**Module 2 Contents**

Crystal Structure, Superconductors

Crystal Structure: Space lattice-Unit cell and lattice parameters-Directions and Planes in crystals- Miller indices- Interplanar spacing in terms of Miller indices. Braggs law- X-ray diffraction

Superconductivity: Superconducting phenomena. Meissner effect. Type-I and Type-II superconductors. BCS theory (qualitative). High temperature superconductors.- Josephson Junction – SQUID- Applications of superconductors.

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**Module 3 Contents**

Physical Optics**Module 3 Contents**

Interference: Coherence. Interference in thin films and wedge shaped films (Reflected system) Newton’s rings-measurement of wavelength and refractive index of liquid Interference filters. Antireflection coating.

Diffraction: Fresnel and Fraunhofer diffraction. Fraunhofer diffraction at a single slit. Plane transmission grating. Grating equation-measurement of wavelength. Rayleigh’s criterion for resolution. Resolving power and dispersive power of grating.

Polarization of Light: Types of polarized light. Double refraction. Nicol Prism. Quarter wave plate and half wave plate. Production and detection of circularly and elliptically polarized light. Laurent’s Half shade Polarimeter- Kerr Cell - Polaroids & applications.

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** ****Module 4 Contents**

**Module 4 Contents**

Introduction to Quantum Mechanics and Statistical Mechanics

Quantum Mechanics: Uncertainty principle and its applications- formulation of Time dependent and Time independent SchrÃ¶dinger equations- physical meaning of wave function- Energy and momentum Operators-Eigen values and functions- Expectation values- One dimensional infinite square well potential .Quantum mechanical Tunnelling (Qualitative)

Statistical Mechanics: Macro states and Microstates. Phase space. Basic postulates of Maxwell- Boltzmann, Bose-Einstein and Fermi Dirac statistics. Distribution equations in the three cases (no derivation). Density of states.

Derivation of Planck’s radiation formula. Free electrons in a metal as a Fermi gas. Fermi energy

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**Module 5 Contents**

**Module 5 Contents**Acoustics and Ultrasonics

Acoustics: Intensity of sound- Loudness-Absorption coefficient - Reverberation and reverberation time - Significance of reverberation time-Sabine’s formula (No derivation) - Factors affecting acoustics of a building.

Ultrasonics: Production of ultrasonic waves- Magnetostriction effect and Piezoelectric effect- Piezoelectric oscillator - Detection of ultrasonics - Thermal and piezoelectric methods - Applications of ultrasonics - NDT and medical.

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**Module 6 Contents**

**Module 6 Contents**Laser: Properties of Lasers, Absorption, Spontaneous and stimulated emissions, Population inversion, Einstein’s coefficients, Working principle of laser, Optical resonant cavity. Ruby Laser, Helium-Neon Laser, Semiconductor Laser (qualitative). Applications of laser, holography (Recording and reconstruction) Photonics: Basics of solid state lighting- LED -Photo detectors- photo voltaic cell, junction & avalanche photo diodes, photo transistors, Thermal detectors, Solar cells- I-V characteristics –Optic fibre-Principle of propagation-numerical aperture-optic communication system (block diagram) -Industrial, medical and technological applications of optical fibre. Fibre optic sensors - Intensity modulated, phase modulated and polarization modulated sensors.

Hence the B.tech Syllabus for KTU .

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