# Updated scheme of Exams. & Syllabi for B. Sc. B. Sc. 1 Physics Scheme of Examination

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UPDATED Scheme of Exams. & Syllabi for B.Sc.
B.Sc.-1

Physics

Scheme of Examination

 Paper Name of Paper Max. Marks Time Ist Semester: I Classical Mechanics and theory of relativity Internal Assessment 45 5 3 hrs II Electricity, Magnetism and Electromagnetic Theory Internal Assessment 45 5 3 hrs IInd Semester: I Properties of Matter and Kinetic theory of gases Internal Assessment 45 5 3 hrs II Semiconductor Devices Internal Assessment 45 5 3hrs III Practical 100 3+3hrs (on 2 days)

B.Sc.-1

Physics

Semester – I
Paper – I: Classical Mechanics and Theory of Relativity

Max. Marks: 45

Internal Assessment: 5

Time: 3 hours

Note:-

1. Nine Questions will be set in total

2. Question number 1 will be compulsory and will be based on the conceptual aspects of entire syllabus. This question may have five parts and the answer should be in brief but not in Yes/ No.

3. For more questions are to be attempted, selecting one question out of two questions set from each unit. Each question may contain two or more parts. All questions will carry equal marks.

Unit 1: Basic concepts of Classical mechanics: Mechanics of single and system of particles, Conversion law of linear momentum, Angular momentum and mechanical energy for a particle and a system of particles, Centre of Mass and equation of motion, Constrained Motion.

Unit 2: Generalized Notations: Degrees of freedom and Generalized coordinates, Transformation equations, Generalized Displacement, Velocity, Acceleration, Momentum, Force and Potential, Hamilton’s variational principle, Lagrange’s equation of motion from Hamilton’s principle, Linear Harmonic oscillator, Simple pendulum, Atwood’s machine.

Unit 3: Theory of relativity: Reference system, Inertial and Non-inertial frames, Galilean invariance and conservation laws, Newtonian Relativity Principle, Michelson-Morley experiment: search for ether, Lorentz transformations.

Unit 4: Applications of theory of relativity: Length Contraction, Time Dilation, Twin Paradox, Velocity addition theorem, Variation of mass with velocity, Mass energy equivalence.

Reference:

1. Classical Mechanics by H. Goldstien (2nd Edition).

2. Berkely Physics Course. Vol. 1. Mechanics by E.M.Purcell

3. Concepts of Modern Physics by Arthur Beiser

B.Sc.-1

Physics

Semester – I
Paper – II: Electricity, Magnetism and Electromagnetic theory

Max. Marks: 45

Internal Assessment: 5

Time: 3 hours

Note:-

1. Nine Questions will be set in total

2. Question number 1 will be compulsory and will be based on the conceptual aspects of entire syllabus. This question may have five parts and the answer should be in brief but not in Yes/ No.

3. For more questions are to be attempted, selecting one question out of two questions set from each unit. Each question may contain two or more parts. All questions will carry equal marks.

Unit I: Vector background and Electric field: Gradient of a scalar and its physical significance, Line, Surface and Volume integrals of a vector and their physical significance, Flux of a vector field, Divergence and curl of a vector and their physical significance, Gauss’s divergence theorem, Stoke’s theorem.

Derivation of electric field E from potential as gradient, Derivation of Laplace and Poisson equations, Electric flux, Gauss’s Law, Mechanical force of charged surface, Energy per unit volume.

Unit 2: Magnetism: Magnetic induction, Magnetic flux, Solenoidal nature of vector field of induction, properties of  (i) , (ii) , Electronic theory of dia and paramagnetism, Domain theory of ferromagnetism (Langevin’s theory), Cycle of magnetization- hystresis loop ( Energy dissipation, Hystresis loss and importance of Hystresis Curve)

Unit 3: Electromagnetism: Maxwell equations and their derivations, Displacement current, Vector and Scalar potentials, Boundary conditions at interface between two different media, Propagation of electromagnetic wave (Basic idea, no derivation), Poynting vector and Poynting theorem.

Unit 4: A. C. Analysis: A.C. circuit analysis using complex variable with (a) Capacitance and Resistance (CR) (b) Resistance and Inductance (LR) (c) Capacitance and Inductance (LC) (D) Capacitance, Inductance (LR) (c) Capacitance and Inductance (LC) (d) Capacitance, Inductance and Resistance (LCR), Series and parallel resonance circuit, Quality factor (sharpness of resonance).

Reference:

1. Electricity and Magnetism by Reitz and Milford (Prentice Hall of India).

1. Electricity and Magnetism by A.S. Mahajan and A.A. Rangwala ( Tata McGraw Hill)

B.Sc.-1

Physics

Semester – II
Paper – I: Properties of Matter and Kinetic Theory of Gases

Max. Marks: 45

Internal Assessment: 5

Time: 3 hours

Note:-

1. Nine Questions will be set in total

2. Question number 1 will be compulsory and will be based on the conceptual aspects of entire syllabus. This question may have five parts and the answer should be in brief but not in Yes/ No.

3. For more questions are to be attempted, selecting one question out of two questions set from each unit. Each question may contain two or more parts. All questions will carry equal marks.

Unit I: Moment of inertia: Rotation of rigid body, Moment of inertial, Torque, angular momentum, Kinetic energy of rotation. Theorem of perpendicular and parallel axes (with proof), Moment of inertia of solid sphere, hollow sphere, spherical shell, solid cylinder, hollow cylinder and solid bar of rectangular cross – section, Acceleration of a body rolling down on an inclined plane.

Unit 2: Elasticity: Elasticity, Stress and Strain, Hook’s law, Elastic constant and their relations, Poisson’s ratio, Torsion of cylinder and twisting couple, Bending of beam ( Bending moment and its magnitude), Cantilever and Centrally loader beam.

Unit 3: Kinetic theory of gases -I: Assumption of Kinetic theory of gases, pressure of an ideal gas (no derivation), Kinetic interpretation of Temperature, Ideal Gas equation, Degree of freedom, Law of equipartition of energy and is application for specific heat of gases, Real gases, Vander wall’s equation, Brownian motion( Qualitative)

Unit 4: Kinetic theory of gases -II: Maxwell’s distribution of speed and velocities (derivation required), Experimental verification of Maxwell’s law of speed distribution: most probable speed, average and r.m.s. speed, Mean free path, Transport of energy and momentum, Diffusion of gases.

Reference:

1. Properties of Matter by D.S. Mathur.

2. Heat and Thermodynamics (5th Edition) by Mark W. Zermansky.

B.Sc.-1

Physics

Semester – II
Paper – II: Semiconductor Devices

Max. Marks: 45

Internal Assessment: 5

Time: 3 hours

Note:-

1. Nine Questions will be set in total

2. Question number 1 will be compulsory and will be based on the conceptual aspects of entire syllabus. This question may have five parts and the answer should be in brief but not in Yes/ No.

3. For more questions are to be attempted, selecting one question out of two questions set from each unit. Each question may contain two or more parts. All questions will carry equal marks.

Unit I: Semiconductors: Energy bands in solids, Intrinsic and extrinsic semiconductors, p-n junction diode and their characteristics, Zener and Avalanche breakdown, Zener diode , Light emitting diodes (LED), Photoconduction in semiconductors, Photodiode, Solar Cell, P-n junction, half wave and full wave rectifiers, Zener diode as a voltage regulator.

Unit 2: Transistors: Junction transistors, Working of NPN and PNP transistors, Three configurations of transistor (C-B, C-E, C-C modes), Constants of a transistor, Relation between alpha and beta, Common base, Common emitter and common collector characteristics of transistor, Advantages and disadvantages of C-E configuration.

Unit 3: Transistor Amplifiers: Transistor biasing, Methods a of transistor biasing and stabilization, D.C. load line , Common base and Common emitter biasing, Common base and common emitter amplifiers, Classification of amplifiers, Resistance- Capacitance (RC) coupled amplifier (two stage, concept of band width, no derivation), Feedback in amplifiers, Advantages of negative feedback, Emitter follower.

Unit 4: Oscillators: Oscillators, Principle of oscillation, classification of oscillators, Condition for self sustained oscillation: Barkhausen criterion for oscillation, Tuned collector common emitter oscillator, Hartley oscillator, C.R.O. (Principle and Working).

Reference:

1. Basic Electronics and Linear Circuits by N.N.Bhargava. D.C. Kulshreshtha and S.C.Gupta (TITI CHD).

2. Solid State Electronics by J.P. Agarwal, Amit Agarwal (Pragati Prakashan, Meerut).

3. Electronics Fundamentals and Applications by J.D. Ryder (Prentice Hall of India).

4. Solid State Electronics by B.L.Theraja

B.Sc.-1

Physics

Semester – II
Paper – II: Practicals

Max. Marks: 100

Time: 3 + 3 hours

(on two days)

Special Note:-

1. Do any eight experiments from each Section.

2. The students are required to calculate the error involved in a particular experiment.

Note:-

1. The Practical examination will be held in two sessions of 3 hours each (first session I the evening of first day and the second session in the morning of the next day).

2. Distribution of Marks:

Experiments 25+25 = 50 Marks

Viva-voce 15+15 = 30 Marks

Lab. Record 20 Marks

Total 100 Marks
For giving marks under Lav. Record each college will maintain practical assessment record by using the following procedure:-

1. Each student has to perform a minimum number of experiments prescribed in the syllabus.

1. After the completion of a practical the teacher concerned will check the note book and conduct the Viva – voce of each student to find out how much concepts related to the theoretical and experimental part of the experiment he/ she has understood. According to his/her performance marks will be recorded on their practical note-book. These marks will constitute the lab. Record.

1. To compute the final marks for lab. Record, a separate register will be maintained. Each student will be assigned separate page on this register. On this page the marks obtained by the student in different practicals will be entered. This record will be signed by the concerned teacher.

1. The lab. Record register will be presented to eth external practical examiners fro Lab. Record marks. These external examiners will verify the record randomly.

Section: A

1. Moment of Inertia of a fly-wheel.

2. M.I. of an irregular body using a torsion pendulum.

3. Surface tension by Jeager’s Method.

4. Young’s Modulus by bending of beam.

5. Modulus of rigidity by Maxell’s needle.

6. Elastic constant by Scarle’s method.

7. Viscosity of water by its flow through a uniform capillary tube.

8. Thermal conductivity of a good conductor by Searle’s method.

9. Mechanical equivalent of Heat by Callendao and Barue’s method.

10. ‘g’ by Bar pendulum.

11. E.C.E. of hydrogen using an Ammeter.

12. Calibration of a thermocouple by Potentiometer.

Section: B

1. Low resistance by Carey Foster’s bridge with calibration.

2. Determination of Impedance of an A.C. circuit and its verification.

3. Frequency of A.C. mains by Sonometer using an electromagnet.

4. Frequency of A. C. mains by Sonometer using an electromagnet.

5. Measurement of angle of dip by earth inductor.

6. High resistance by substitution method.

7. Inductance (L) by Anderson Bridge (A.C. Method).

8. To draw forward and reverse bias characteristics of a semiconductor diode.

9. Zener Diode voltage regulation characteristics.

10. Verification of inverse square law by photo-cell.

11. To study the characteristics of a solar cell.

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