Engineering Physics
- Lecture Notes, Study Materials and Important questions answers

Subject : Engineering Physics

UNIT I PROPERTIES OF MATTER

1. Types of Stress and Strain - Answer (click here)
2. Hooke's Law - Answer (click here)
3. Types of Moduli of Elasticity - Answer (click here)
4. Factors affecting Elasticity - Answer (click here)
5. Bending of Beams - Answer (click here)
6. Modes of Heat Transer - Answer (click here)
7. Lee's Disc Method for Bad Conductors - Answer (click here)
8. Radial flow of heat - Answer (click here)

UNIT II WAVES AND FIBER OPTICS

1. Characteristics of Laser - Answer (click here)
2. Principle of Spontaneous and Stimulated emission - Einstein’s Quantum theory of radiation - Answer (click here)
3. Principle of Laser action and Methods of pumping action - Answer (click here)
4. Nd: YAG laser: Principle, Construction, Working, Characteristics, Advantages, Disadvantages and Applications - Answer (click here)
5. CO2 Molecular gas laser: Principle, Construction, Working, Characteristics, Advantages, Disadvantages and Applications - Answer (click here)
6. Solid State diode lasers - Answer (click here)
7. Semiconductor Diode laser: Principle, Construction, Working, Characteristics, Advantages, Disadvantages and Applications - Answer (click here)
8. Hetro Junction Laser: Principle, Construction, Working, Characteristics, Advantages, Disadvantages and Applications - Answer (click here)
9. Fiber Optics and Fiber Construction - Answer (click here)
10. Types of Optical Fibers - Answer (click here)
11. Difference between Step Index fiber and Graded Index fiber - Answer (click here)
12. The Fiber Optic Communication System: Principle, Working, and Advantages - Answer (click here)
13. Double Crucible Method - Answer (click here)
14. Types of Fiber Optic Sensors - Answer (click here)
15. Temperature Fiber Optic Sensor: Principle, Description and Working - Answer (click here)
16. Displacement Fiber Optic Sensor (Extrinsic Sensor): Principle, Description and Working - Answer (click here)
17. Medical Endoscope - Fiber Optic: Construction and working - Answer (click here)
18. Losses in Optical Fibers - Answer (click here)
19. Principle of operation of a Photo Detector - Answer (click here)
20. PIN Photo Diode - Answer (click here)
21. Light Emitting Diodes: Principle, Construction, Working, Advantages and Disadvantages - Answer (click here)
22. Important Short Questions and Answers: Photonics and fibre Optics - Answer (click here)

UNIT III THERMAL PHYSICS

1. Types of Stress and Strain - Answer (click here)
2. Hooke's Law - Answer (click here)
3. Types of Moduli of Elasticity - Answer (click here)
4. Factors affecting Elasticity - Answer (click here)
5. Bending of Beams - Answer (click here)
6. Modes of Heat Transer - Answer (click here)
7. Lee's Disc Method for Bad Conductors - Answer (click here)
8. Radial flow of heat - Answer (click here)

UNIT IV QUANTUM PHYSICS

1. Quantum Physics - Answer (click here)
2. Important Short Question and Answers: Quantum Physics - Answer (click here)
3. Black Body Radiation - Answer (click here)
4. Planck's Hypothesis - Answer (click here)
5. Theory Compton Effect - Answer (click here)
6. Experimental Verification of Compton Effect - Answer (click here)
7. Dual Nature of Radiation (Light) And Matter (Particles) - Matter Waves - Answer (click here)
8. Schroedinger wave equation - Answer (click here)
9. Electron microscope - Principle, Construction, Working, Advantages and Disadvantages - Answer (click here)
10. Scanning electron microscope - Principle, Construction, Working, Advantages and Disadvantages - Answer (click here)
11. Transmission Electron microscope - Principle, Construction, Working, Advantages and Disadvantages - Answer (click here)

UNIT V CRYSTAL PHYSICS

1. Crystalllography - Answer (click here)
2. Lattice Parameters or Unit Cell Parameters - Answer (click here)
3. Bravais Space Lattice - Answer (click here)
4. Lattice Planes - Answer (click here)
5. Miller Indices - Procedure for finding and Important Features - Answer (click here)
6. Separation between Lattice Planes in a cubic Crystal - Answer (click here)
7. Characteristics of the Unit Cell - Answer (click here)
8. Body centered cubic(BCC) Structure - Answer (click here)
9. Face centered cubic (FCC) Structure - Answer (click here)
10. Hexagonal Closely Packed Structure(HCP) - Answer (click here)
11. Properties of some Crystal Structure - Sodium choride, Diamond cubic - Answer (click here)
12. Crystal growth - Solidification and Crystallization - Answer (click here)
13. Czochralski technique - Answer (click here)
14. Bridgeman Technique - Answer (click here)
15. Low temperature solution growth : Slow cooling and Slow evaporation method - Answer (click here)
16. Epitaxial growth - Answer (click here)