Anna University
Engineering Physics - II
Semester : II
Year : 1st yr
Regulation : 2008 / 2010
Department : Common to all department.
Content : Physics II - Important Question V+ Edition.
Note :
Read any one set questions, either set 1 or set 2 - Sure you will obtain good marks.
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Set 1 :
Unit 1 :
1. Assumptions, drawbacks of the classical free electron theory.
2. Electrical Conductivity expression and thermal.
3. Density of states and Fermic Dirac distribution function.
4.Wiedemann Franz law.
Unit 2:
1. Expressions for the concentration of electrons in the conduction band, holes in the valence band of an intrinsic semiconductor.
2. Electrical conductivity of the charge carries of the intrinsic semiconductor with band gap.
Unit 3:
1. Domain theory of ferromagnetic materials.
2. Hysteresis
3. Soft and Hard magnetic material.
4. Structure , Properties and application of ferrites.
5. Dia, papa, ferro magnetism.
6. Floppy Disk.
Unit 4:
1.Local field in dielectric.
2.Clauses masotic Relations. Frequency amd temperature on polarization.
3.Dielectric Breakdown.
4.Definitions.
Unit 5
1.Shape memory alloys application, advantage characteristics.
2.Metallic glasses, preparation, properties and applications.
3.Carbon nano tubes.
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Set 2
Unit 1:
1.Density of states
2. Fermi Dirac distribution function
3.Quantum theory assumptions , drawbacks.
Unit 2
1.Hall Effect in p-type and n-type. Hall coefficient experimental arrangement.
2.Expression for extrinisic semiconductor (p & n type).
Unit 3
1. High temperature super conductors.
2. Isotope effect , type I , type II , super conductors.
3. Meissner effect.
4. Soft and hard magnetic materials.
5. SQUID , cryotron , magnetic train , Josephson.
6. BCS theory.
Unit 4
1. Dielectric breakdown.
2. Frequency dependence of polarization.
3. Ferro electric materials, applications.
4. Use of dielectric materials.
5. Dielectric loss.
6. Local field.
Unit 5
1. Nano phase materials, preparation of chemical vapour deposition and properties, plasma.
2. Carbon nano tubes fabrication using arc method.
3.Metallic glasses
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