- Physics Viva Questions
- State the Principle of a potentiometer. (The students say that potential drop is proportional to length but the constant quantities are not mentioned)
- How can we increase the sensitivity of a potentiometer?
- Define figure of merit of a galvanometer.
- Which has more resistance – a galvanometer or a milliammeter?
- How does an LED emit light?
- What is the difference between an ordinary diode and an LED?
- Define principal axis of a convex lens?
- What happens to the focal length of a concave mirror if it is immersed in water?
- What are the factors affecting the internal resistance of a cell?
- What are the difference between primary and secondary cell?
- Why can’t we use a dry cell for starting a car?
- What happens to the resistivity of a wire when it is doublefolded?
- How does the resistance of a wire depend on its dimensions?
- Why are the resistances used in a resistance box is like 1,2,2,5,10,20,20,50,100,200,
200,500,1000,2000,2000,5000 etc? - Why constantan or manganin wires are used for making the resistance coils in resistance box?
- What is a standard resistance?
- What are the characteristics of a standard resistance?
- What are the precautions to be observed while doing electricity experiments in general?
- What is a galvanometer?
- What is the resistance of an ideal ammeter?
- Why is ammeter always connected in series and voltmeter always connected in parallel?
- How can we convert a galvanometer into an ammeter or a voltmeter?
- What is shunt?
- What is AVO meter?
- What is the effect of temperature on the resistance of a conductor?
- Why does the resistance of a conductor increases with temperature, whereas that of a semiconductor decreases with temperature.
- What is conductance?
- What are non ohmic devices? give an example.
- What are superconductors?
- Define emf
- Why emf is said to be a misnomer?
- What happens if the battery used in the primary circuit of a potentiometer has less emf compared to the emf of the cell used in the secondary circuit?
- If you find that the galvanometer reading is shaky, what error can you expect?
- What do you mean by figure of merit of a galvanometer?
- Why a moving coil galvanometer is called so?
- What is the principle of a galvanometer?
Showing posts with label engineering physics syllabus. Show all posts
Showing posts with label engineering physics syllabus. Show all posts
Physics Viva Questions
Jntu Engineering Physics Syllabus First Year
Jntu Engineering Physics Syllabus First Year
ENGINEERING PHYSICS
UNIT 11.Bonding in Solids: Ionic Bond, Covalent Bond, Metallic Bond, Hydrogen Bond, Vander-Waal s Bond, Calculation of Cohesive Energy.
2.Crystallography and Crystal Structures: Space Lattice, Unit Cell, Lattice Parameters, Crystal Systems, Bravais Lattices, Miller Indices, Crystal Planes and Directions, Inter Planar Spacing of Orthogonal Crystal Systems, Atomic Radius, Co-ordination Number and Packing Factor of SC, BCC, FCC, Diamond and hcp Structures, Structures of NaCl, ZnS, CsCl.
UNIT-II
1.X-ray Diffraction: Basic Principles, Bragg s Law, Laue Method, Powder Method, Applications of X-ray Diffraction.
2.Defects in Crystals: Point Defects: Vacancies, Substitutional, Interstitial, Frenkel and Schottky Defects; Qualitative treatment of line (Edge and Screw Dislocations) Defects, Burger s Vector, Surface Defects and Volume Defects.
UNIT-III
1.Elements of Statistical Mechanics: Maxwell-Boltzman, Bose-Einstein and Fermi-Dirac Statistics (Qualitative Treatment), Photon gas , Wein s Law, Rayleigh-Jeans law,, Planck s Law of Black Body Radiation, Concept of Electron Gas, Fermi Energy, Density of States.
2.Principles of Quantum Mechanics: Waves and Particles, de Broglie Hypothesis , Matter Waves, Davisson and Germer s Experiment, G. P. Thomson Experiment, Heisenberg s Uncertainty Principle, Schr�dinger s Time Independent Wave Equation -Physical Significance of the Wave Function -Particle in One Dimensional Potential Box.
UNIT-IV
7. Band Theory of Solids: Electron in a periodic Potential, Bloch Theorem, Kronig-Penny Model (Qualitative Treatment), Origin of Energy Band Formation in Solids, Classification of Materials into Conductors, Semi Conductors & Insulators, Concept of Effective Mass of an Electron and Hole.
UNIT-V
1.Semiconductor Physics: Fermi Level in Intrinsic and Extrinsic Semiconductors, Intrinsic Semiconductors and Carrier Concentration, Extrinsic Semiconductors and Carrier Concentration, Equation of Continuity, Direct & Indirect Band Gap Semiconductors, Hall Effect.
2.Physics of Semiconductor Devices: Formation of PN Junction, Open Circuit PN Junction, Energy Diagram of PN Diode, I-V Characteristics of PN Junction, PN Diode as a Rectifier (Forward and Reverse Bias), Diode Equation, LED, LCD and Photo Diodes.
UNIT-VI
1.Dielectric Properties: Electric Dipole, Dipole Moment, Dielectric Constant, Polarizability, Electric Susceptibility, Displacement Vector, Electronic, Ionic and Orientation Polarizations and Calculation of Polarizabilities -Internal Fields in Solids, Clausius -Mossotti Equation, Piezo-electricity, Pyro-electricity and Ferro- electricity.
2.Magnetic Properties: Permeability, Field Intensity, Magnetic Field Induction, Magnetization, Magnetic Susceptibility, Origin of Magnetic Moment, Bohr Magneton, Classification of Dia, Para and Ferro Magnetic Materials on the basis of Magnetic Moment, Domain Theory of Ferro Magnetism on the basis of Hysteresis Curve, Soft and Hard Magnetic Materials, Properties of Anti-Ferro and Ferri Magnetic Materials, Ferrites and their Applications, Concept of Perfect Diamagnetism, Meissner Effect, Magnetic Levitation, Applications of Superconductors.
UNIT-VII`
1.Lasers: Characteristics of Lasers, Spontaneous and Stimulated Emission of Radiation, Meta-stable State, Population Inversion, Lasing Action, Einstein s Coefficients and Relation between them, Ruby Laser, Helium-Neon Laser, Carbon Dioxide Laser, Semiconductor Diode Laser, Applications of Lasers.
2.Fiber Optics: Principle of Optical Fiber, Acceptance Angle and Acceptance Cone, Numerical Aperture, Types of Optical Fibers and Refractive Index Profiles, Attenuation in Optical Fibers, Application of Optical Fibers.
UNIT-VIII
1.Acoustics of Buildings & Acoustic Quieting: Basic Requirement of Acoustically Good Hall, Reverberation and Time of Reverberation, Sabine s Formula for Reverberation Time(Qualitative Treatment), Measurement of Absorption Coefficient of a Material, Factors Affecting The Architectural Acoustics and their Remedies. Acoustic Quieting: Aspects of Acoustic Quieting, Methods of Quieting, Quieting for Specific Observers, Mufflers, Sound-proofing.
2.Nanotechnology: Origin of Nanotechnology, Nano Scale, Surface to Volume Ratio, Quantum Confinement, Bottom-up Fabrication: Sol-gel, Precipitation, Combustion Methods; Top-down Fabrication: Chemical Vapour Deposition, Physical Vapour Deposition, Pulsed Laser Vapour Deposition Methods, Characterization(XRD&TEM) and Applications.
TEXT BOOKS:
1.Applied Physics P.K.Palanisamy (SciTech Publications (India) Pvt. Ltd., Fifth Print 2008).
2.Applied Physics S.O. Pillai & Sivakami (New Age International (P) Ltd., Second Edition 2008).
3.Applied Physics T. Bhima Shankaram & G. Prasad (B.S. Publications, Third Edition 2008).
REFERENCES:
1.Solid State Physics M. Armugam (Anuradha Publications).
2.Modern Physics R. Murugeshan & K. Siva Prasath S. Chand & Co. (for Statistical Mechanics).
3.A Text Book of Engg Physics M. N. Avadhanulu & P. G. Khsirsagar S. Chand & Co. (for acoustics).
4.Modern Physics by K. Vijaya Kumar, S. Chandralingam: S. Chand & Co.Ltd
5.Nanotechnology M.Ratner & D. Ratner (Pearson Ed.).
6.Introduction to Solid State Physics C. Kittel (Wiley Eastern).
7.Solid State Physics A.J. Dekker (Macmillan).
8.Applied Physics Mani Naidu Pearson Education
Click here to download word version of syllabus
ENGINEERING PHYSICS
UNIT 11.Bonding in Solids: Ionic Bond, Covalent Bond, Metallic Bond, Hydrogen Bond, Vander-Waal s Bond, Calculation of Cohesive Energy.
2.Crystallography and Crystal Structures: Space Lattice, Unit Cell, Lattice Parameters, Crystal Systems, Bravais Lattices, Miller Indices, Crystal Planes and Directions, Inter Planar Spacing of Orthogonal Crystal Systems, Atomic Radius, Co-ordination Number and Packing Factor of SC, BCC, FCC, Diamond and hcp Structures, Structures of NaCl, ZnS, CsCl.
UNIT-II
1.X-ray Diffraction: Basic Principles, Bragg s Law, Laue Method, Powder Method, Applications of X-ray Diffraction.
2.Defects in Crystals: Point Defects: Vacancies, Substitutional, Interstitial, Frenkel and Schottky Defects; Qualitative treatment of line (Edge and Screw Dislocations) Defects, Burger s Vector, Surface Defects and Volume Defects.
UNIT-III
1.Elements of Statistical Mechanics: Maxwell-Boltzman, Bose-Einstein and Fermi-Dirac Statistics (Qualitative Treatment), Photon gas , Wein s Law, Rayleigh-Jeans law,, Planck s Law of Black Body Radiation, Concept of Electron Gas, Fermi Energy, Density of States.
2.Principles of Quantum Mechanics: Waves and Particles, de Broglie Hypothesis , Matter Waves, Davisson and Germer s Experiment, G. P. Thomson Experiment, Heisenberg s Uncertainty Principle, Schr�dinger s Time Independent Wave Equation -Physical Significance of the Wave Function -Particle in One Dimensional Potential Box.
UNIT-IV
7. Band Theory of Solids: Electron in a periodic Potential, Bloch Theorem, Kronig-Penny Model (Qualitative Treatment), Origin of Energy Band Formation in Solids, Classification of Materials into Conductors, Semi Conductors & Insulators, Concept of Effective Mass of an Electron and Hole.
UNIT-V
1.Semiconductor Physics: Fermi Level in Intrinsic and Extrinsic Semiconductors, Intrinsic Semiconductors and Carrier Concentration, Extrinsic Semiconductors and Carrier Concentration, Equation of Continuity, Direct & Indirect Band Gap Semiconductors, Hall Effect.
2.Physics of Semiconductor Devices: Formation of PN Junction, Open Circuit PN Junction, Energy Diagram of PN Diode, I-V Characteristics of PN Junction, PN Diode as a Rectifier (Forward and Reverse Bias), Diode Equation, LED, LCD and Photo Diodes.
UNIT-VI
1.Dielectric Properties: Electric Dipole, Dipole Moment, Dielectric Constant, Polarizability, Electric Susceptibility, Displacement Vector, Electronic, Ionic and Orientation Polarizations and Calculation of Polarizabilities -Internal Fields in Solids, Clausius -Mossotti Equation, Piezo-electricity, Pyro-electricity and Ferro- electricity.
2.Magnetic Properties: Permeability, Field Intensity, Magnetic Field Induction, Magnetization, Magnetic Susceptibility, Origin of Magnetic Moment, Bohr Magneton, Classification of Dia, Para and Ferro Magnetic Materials on the basis of Magnetic Moment, Domain Theory of Ferro Magnetism on the basis of Hysteresis Curve, Soft and Hard Magnetic Materials, Properties of Anti-Ferro and Ferri Magnetic Materials, Ferrites and their Applications, Concept of Perfect Diamagnetism, Meissner Effect, Magnetic Levitation, Applications of Superconductors.
UNIT-VII`
1.Lasers: Characteristics of Lasers, Spontaneous and Stimulated Emission of Radiation, Meta-stable State, Population Inversion, Lasing Action, Einstein s Coefficients and Relation between them, Ruby Laser, Helium-Neon Laser, Carbon Dioxide Laser, Semiconductor Diode Laser, Applications of Lasers.
2.Fiber Optics: Principle of Optical Fiber, Acceptance Angle and Acceptance Cone, Numerical Aperture, Types of Optical Fibers and Refractive Index Profiles, Attenuation in Optical Fibers, Application of Optical Fibers.
UNIT-VIII
1.Acoustics of Buildings & Acoustic Quieting: Basic Requirement of Acoustically Good Hall, Reverberation and Time of Reverberation, Sabine s Formula for Reverberation Time(Qualitative Treatment), Measurement of Absorption Coefficient of a Material, Factors Affecting The Architectural Acoustics and their Remedies. Acoustic Quieting: Aspects of Acoustic Quieting, Methods of Quieting, Quieting for Specific Observers, Mufflers, Sound-proofing.
2.Nanotechnology: Origin of Nanotechnology, Nano Scale, Surface to Volume Ratio, Quantum Confinement, Bottom-up Fabrication: Sol-gel, Precipitation, Combustion Methods; Top-down Fabrication: Chemical Vapour Deposition, Physical Vapour Deposition, Pulsed Laser Vapour Deposition Methods, Characterization(XRD&TEM) and Applications.
TEXT BOOKS:
1.Applied Physics P.K.Palanisamy (SciTech Publications (India) Pvt. Ltd., Fifth Print 2008).
2.Applied Physics S.O. Pillai & Sivakami (New Age International (P) Ltd., Second Edition 2008).
3.Applied Physics T. Bhima Shankaram & G. Prasad (B.S. Publications, Third Edition 2008).
REFERENCES:
1.Solid State Physics M. Armugam (Anuradha Publications).
2.Modern Physics R. Murugeshan & K. Siva Prasath S. Chand & Co. (for Statistical Mechanics).
3.A Text Book of Engg Physics M. N. Avadhanulu & P. G. Khsirsagar S. Chand & Co. (for acoustics).
4.Modern Physics by K. Vijaya Kumar, S. Chandralingam: S. Chand & Co.Ltd
5.Nanotechnology M.Ratner & D. Ratner (Pearson Ed.).
6.Introduction to Solid State Physics C. Kittel (Wiley Eastern).
7.Solid State Physics A.J. Dekker (Macmillan).
8.Applied Physics Mani Naidu Pearson Education
Click here to download word version of syllabus
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