Subject Details
Dept     : MECH
Sem      : 2
Regul    : 2019
Faculty : P.Karthika
phone  : NIL
E-mail  : karthika.p.phy@snsce.ac.in
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Syllabus

UNIT
1
CRYSTAL PHYSICS

Single crystalline, polycrystalline and amorphous materials – single crystals: unit cell, crystal systems, Bravais lattices, directions and planes in a crystal, Miller indices – inter-planar distances – coordination number and packing factor for SC, BCC, FCC, HCP and diamond structures – crystal imperfections: point defects, line defects – Burger vectors, stacking faults – role of imperfections in plastic deformation – growth of single crystals: solution and melt growth techniques.

UNIT
2
PROPERTIES OF MATTER

Elasticity – Stress-strain diagram and its uses – factors affecting elastic modulus and tensile strength. Torsional stress and deformations – twisting couple – torsion pendulum: theory and experiment – bending of beams. Bending moment – cantilever: theory and experiment. Uniform and non-uniform bending: theory and experiment – I-shaped girders – stress due to bending in beams.

UNIT
3
QUANTUM PHYSICS

Black body radiation – Planck’s theory (derivation) – Compton effect: theory and experimental verification – wave particle duality – electron diffraction – concept of wave function and its physical significance – Schrödinger’s wave equation – time independent and time dependent equations – particle in a one-dimensional rigid box – tunnelling (qualitative) – scanning tunnelling microscope.

UNIT
4
ACOUSTICS AND ULTRASONICS

Classification of sound- decibel- Weber–Fechner law – Sabine’s formula- derivation using growth and decay method. Absorption Coefficient and its determination –factors affecting acoustics of buildings and their remedies. Ultrasound - properties - Non-destructive testing methods using ultrasonics-SONAR- Medical applications-sonogram.

UNIT
5
NEW ENGINEERING MATERIALS

Composites – definition and classification – Fibre reinforced plastics (FRP) and fiber reinforced metals (FRM). Metallic glasses – Shape memory alloys phases, shape memory effect, pseudoelastic effect, NiTi alloy, applications – Ceramics – Classification – Crystalline – Non Crystalline.– nanomaterials: preparation (bottom up and top down approaches), properties and applications – carbon nanotubes: types.

Reference Book:

Rajendran.V, Engineering Physics,Tata Mcgraw-Hill Publishing Company Limited, New Delhi.2017. (Unit I, II, III, IV &V) “Engineering Physics”, Wiley, 2013(Unit I, II, III, IV &V) A.S.Vasudeva, “Modern Engineering Physics”, S.Chand, 2001(Unit I, II, III,IV&V) B.K.Pandey Chaturvedi, “Engineering Physics”, Cengage Learning, 2012 (Unit I, II & IV) Charles Kittel, “Solid State Physics”, Wiley(2009),Unit(I&II)

Text Book:

Gaur R.K. And Gupta S.L, “Engineering Physics”, Dhanpat Rai publishers, 2013 (Unit I, II, III & V) Dr.M.N.Avandhanulu, Dr.P.G.Kshirsagar, “A Text book of Engineering Physics”, S.Chand, 2014(Unit I, II, IV & V)

 

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