Gauhati University Question Papers for Physics 1st Semester
Gauhati University Question Papers for Physics 1st Semester
Question Paper from 2010 available
More than 50 question papers every semester
Please check your syllabus before downloading the question paper.
If syllabus does not match then don't download the question paper.
Year
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Paper 101
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Paper 102
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Extra
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2010
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2011
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2012
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2013
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2014
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2015
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2016
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2017
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More than 50 question papers every semester
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FIRST SEMESTER
PAPER:
101 (THEORY)
(a)
MATHEMATICAL METHODS-I:
1.
Vector analysis: Vectors, Scalars, Vector
algebra, Product rules, Vector fields, scalar
fields.
2. Vector
differentiation: Ordinary derivatives of vectors, space curves, Partial
derivatives of vectors, Differentials of vectors, Concept of gradient,
divergence and curl. Application of
above
concept to simple physical phenomena.
(b)
MECHANICS:
1.
Non-inertial systems and fictitious forces, rotating frame of reference,
fictitious/apparent force in a rotating co-ordinate
system, Coriolis force, Coriolis and
centrifugal forces
produced
as a result of earth's rotation. Deflection of a
freely falling body, effect of
Coriolis
force on the horizontal straight line motion of a body on the surface of the
earth.
2.
Work-energy theorem, integral of the equation of motion, conservative
forces, potential energy, conservative force as
the negative gradient of potential energy,
curl of a
conservative
force, non-conservative forces, general law
of conservation of energy.
3.
Mechanics of a system of particles,
centre of mass, motion of the centre
of mass, conservation of momentum, calculation of
centre of mass of (i) non-uniform rod, (ii) semicircular
arc (iii) semi-circular disk and (iv) solid hemisphere.
Laboratory frame of
reference
and centre of mass frame of
reference, two dimensional elastic collision in
laboratory frame of reference and centre of mass frame.
4.
Angular momentum, angular momentum of a system of particles in terms of the
centre of mass co-ordinate, conservation law of angular momentum, angular
momentum and fixed
axis
rotation of a rigid body, moment of inertia,
calculation of moment of inertia for spherical bodies (shell,
hollow and solid). The compound pendulum, determination of g by
Kater's
pendulum.
5.
Gravitation, gravitational field and potential due to spherical shell and solid
sphere.
PAPER:
102 (THEORY)
(a) WAVES
AND OSCILLATIONS:
1.
Harmonic Motion: Simple Harmonic motion, Composition of two simple
harmonic oscillations at right angles, Lissajous figures. Free, damped and
forced oscillations, resonance, and sharpness of resonance.
2.
Wave Motion: Wave motion in an elastic medium, characteristic of
progressive waves, mathematical representation of a progressive wave.
Differential wave equation in one
dimension,
solution of wave equation (method of
separation of variables). Energy density of
plane progressive waves, Superposition of
waves. Stationary waves,
characteristics
of stationary waves.
3.
Sound Waves: Velocity of longitudinal waves in a solid bar. Intensity of
sound wave.
Units of
intensity. Acoustics of auditorium, reverberation, Sabine's law.
4.
Fourier analysis: Fourier analysis and evaluation of Fourier
coefficients. Application of Fourier analysis to square and saw tooth waves.
Equation of transverse vibration of a stretched string, energy of vibrating
string, plucked string and struck string.
(b) RAY
OPTICS:
1.
Fermat’s principle: Fermat’s principle and its
application in establishing laws of reflection and refraction at
spherical and plane boundaries.
2.
Matrix method: Translation matrix and Refraction Matrix, use of matrix
method in
refraction
at a spherical surface and refraction through thin lens.
3.
Lens system: Sign convention, conjugate foci, relation for refraction of
paraxial rays at single spherical surface,
interrelation among lateral, longitudinal and
angular
magnification,
Lagrange’s law and Helmholtz equation and
its modification for
telescopic
system.
4.
Defects of image: Spherical aberration and its magnitude for thin lens for
object at finite distance and condition for
minimum aberration when object is at
infinity,
Minimization
of spherical aberration by using suitable
lens of different radii of curvature and by aplanatic
surface, Qualitative idea about coma, astigmatism and distortion, Chromatic
aberration, circle of least confusion, achromatism of two thin
lenses separated by a
distance. 
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