PHYSICS (GENERAL SUBSIDIARY) COURSE
PAPER - I(THEORY)
Time-3 hours
Full Marks-75
Pass Marks-23
The question paper will consist of groups A,B,C, and D Group A will have ten objective questions which will be compulsory. Group B will contain four questions from Relativity, Mechanics and Properties of Matter Group C will contain two questions from Waves and Acousties and GROUP-D will contain the questions from Thermal Physics. The examines will be required to answer four questions from groups B, C and D. selecting at least one from each group
Group A : Objective Questions
GROUP-BRelativity, Mechanies, properties of Matter :- 4 questions.
Galilean transformation Inertial frame of reference. Michelson-Morley
experiment, Lorentz, Fitzgerald Contraction Einstein's postulates, Lorentz,transformation and its Consequences, Addition of velocities. Relativistic Doppler effect on propagation of light waves, variation of mass with velocity.Mass energy relation.
inertial and non-inertial frames of reference; coriolis and centrifugal forces and their simple application. Motion in Central field. Kepler's law. Generalised coordinates. Constraints ( Holonmic and non-holnomic ) Lagrangian equation of motion and its simple applications.
Elasticity & Elastic constants, Relation between elastic constant Bending of beams and Cantilevers, Torsion of a cylinder and rigidity modulus by flat spiral spring. Effect of temperature and pressure on elasticity. Surface tension and surface energy. Ripples and gravity waves; surface
tension by the method of ripples; Effect of temperature and pressure on surface tension.Perfect fluids, equation of Continuity Euler's equation for a perfect fluid Bernoulli's equation.
Viscosity of fluids, critical velocity. Poiseuile's formula with correction.
Flow of a compressible fluid through a narrow tube; viscosity of gases:
Rankine's method. Effect of temperature and pressure on viscosity.
Group C
Waves and Acoustics- 2 questions
Differential equation of a wave. Equation of progressive waves. Stationary waves. Compression waves in fluids and in extended solids.
Free, damped and force oscillation's Fourier analysis Vibration of strings.
Intensity and Loudness of sound and their measurements Acoustics of buildings Ultrasonics.
Group D
Thermal Physics-3 questions
Maxwells law of distribütion of Velocities and its experimental verification; Degree of freedom & equipartion of energy. Mean free path and its experimental determination, Perfect gas equation and Vender Waals equation of state. Law of thermodynamics, absolute scale of temperature. Carnot's theorem and Carnot's cycle Entropy and its Calculation in simple cases. Thermodynamic relations and their applications to Simple physical problem . Clausius-Clayperon equation. Joule-Thomson effect, Liquefaction of gases with special reference to Helium, superfluidity in liquid helium. Kirchhoff law and black body radiation. Stefan Boltznam law its deduction and experimental verification.
PAPER Il (PRACTICAL)
Full Marks-25
Time-3 hours
Pass Marks-10
The syllabus shall include the following experiments:-
1.Determination of g by bar pendulum.
2. Determination of youngs
modulus by flexure of beam.
3. Modulus of rigidity by (i) statical method, (ii) dynamical method.
4. Moment of inertia by inertia table. 5. Surface tension by capillary rise method.
6. Viscosity of liquid by capillary flow method.
7.Viscosity of liquid by Storke method. Determination of "gamma" by constant pressure thermemeter .
9 "gamma" of liquid by sinker method 10. Specific heat of solid with radiation carrection.
11. Specific heat of liquid by method of cooling.
12. Thermal conductivity of Conductivity of Copper.
13. Thermal Conductivity of ebonite by Lee's disc method.
14. J by joule's Calorimeter
15. Frequency of tuning fork by Melde's experiment
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