Download physics of devices and instruments

Dr. Neetu Agrawal
Odd Semester 2015-16
For Semester-V (Erstwhile FYUP)
PHYSICS 17: PHYSICS OF DEVICES AND INSTRUMENTS
Name of Paper & Code
Allocation of
Lectures
Devices: Characteristic and Equivalent
Circuits of UJT and JFET. Metalsemiconductor and metal
oxide semiconductor junctions. MOSFET–
their frequency limits. Enhancement and
Depletion Mode, MOSFETS, Charge coupled
devices.
13 lectures
20 July - 10 Aug
Introduction to communication systems: Block
diagram of electronic communication system,
Need for
modulation. Amplitude modulation. Modulation
Index. Analysis of Amplitude Modulated wave.
Sideband frequencies in AM wave. CE
Amplitude Modulator. Demodulation of AM
wave using Diode, Detector. basic idea of
Frequency, Phase, Pulse and Digital
Modulation including ASK, PSK, FSK..
12 lectures
13 Aug – 29 Aug
Power supply and Filters: Block Diagram of a
Power Supply, Qualitative idea of C and L
Filters.
2 Lecture
31 Aug-4 Sep
Multivibrators: Astable and Monostable
Multivibrators using transistors. Phase Locked
Loop (PLL): Basic Principles, Phase detector
(XOR and edge triggered), Voltage Controlled
Oscillator (Basics, varactor). Loop Filter –
Function, Loop Filter Circuits, transient
response, lock and capture. Basic idea of PLL
IC (565 or 4046).
9 lectures
7 Sep – 18 Sep
Regulators, Line and load regulation, Short
circuit protection, Active and Passive Filters,
Low Pass, High Pass, Band Pass and band
Reject Filters.
7 Lectures
19 Sep-30 Sep
6 lectures
1 Oct – 8 Oct
Transducers and Sensors (Working principle,
efficiency, applications): Active and passive
transducers. Characteristics of Transducers.
Transducers as electrical element and their
signal conditioning.
schedule followed
Temperature transducers: RTD, Thermistor.
Position transducer: Strain gauge,
Piezoelectric transducer. Inductance
transducer: Linear variable differential
transformer (LVDT), Capacitance
transducer. Magnetoresistive transducer.
Radiation Sensors: Principle of gas filled
detector, ionization chamber, scintillation
detector.
4 Lectures
9 Oct-20 Oct
Revision Onwards
Even Semester 2015-16
B.Sc (H) Sem –VI (FYUP)
For group G2
PHYSICS-15: MATHEMATICAL PHYSICS-IV
Allocation
Content
schedule followed
of Lectures
Vector Spaces: Vector Spaces over Fields of Real
and Complex numbers. Examples. Vector space of
functions. Linear independence of vectors. Basis
and dimension of a vector space. Change of basis.
10 lectures
Subspace.
Isomorphisms.
Triangle and Cauchy Schwartz Inequalities.
Gram Schmidt orthogonalisation.
04-01-2016 to 31-01-2016
Linear Transformations: Introduction. Identity
and inverse. Singular and non-singular
transformations.
Representation of linear transformations by
matrices. Similarity transformation. Linear
operators.
Differential operators as linear operators on
vector space of functions.
7 lectures
01-02-2016 to 02-03-2016
Commutator of operators.
Orthogonal & unitary operators and their matrix
representations. Adjoint of a linear operator.
Hermitian operators and their matrix
representation. Hermitian differential operators
and boundary conditions. Examples. Eigenvalues
& eigenvectors of linear operators. Properties of
eigenvalues and eigenvectors of Hermitian and
unitary operators. Functions of Hermitian
7 lectures
07-03-2016 to 21-03-2016
operators/matrices.
Calculus of Variations
Variational Principle: Euler’s Equation.
Application to Simple Problems(shape of a soap
film, Fermat's
Principle,etc.). Several Dependent Variables and
Euler's Equations. Example: Hamilton's Principle
and the Euler-Lagrange equations of motion.
Geodesics: geodesic equation as a set of Euler's
equations.
8 lectures
22-03-2016 to 11-04-2016
Revison
15-04-2016 onwards
B.Sc (H) Sem -IV
Paper-14-PHHT-412: Optics
Content
Geometrical Optics
Fermat’s Principle :- Optical Path. Fermat’s Principle of
Least Time or Extremum Path. Examples of
Fermat’s Principle:- (1) Reflection and (2) Refraction.
Lenses : Transverse Magnification of a Spherically
Refracting Surface. Lagrange and
Helmholtz Laws of Magnification. Cardinal Points of
a Coaxial Optical System. Graphical
Construction of Image using Cardinal Points.
Deviation produced by a Thin Lens. Equivalent
Focal Length of Two Thin Lenses separated by a
distance. Cardinal Points of a Coaxial
System of Two Thin Lenses. Thick Lenses. Focal
Length of a Thick Lens. Variation of Focal
Length of a Convex Lens with Thickness. Cardinal
Points of a Thick Lens.
Allocation
of Lectures
schedule followed
3 lectures
04-01-2016 to 31-01-2016
9 lectures
01-02-2016 to 12-03-2016
Diffraction
Fresnel diffraction:- Fresnel’s Assumptions. Fresnel’s
Half-Period Zones for Plane
Wave. Explanation of Rectilinear Propagation of
12 lectures
Light. Theory of a Zone Plate:
Multiple Foci of a Zone Plate. Comparison of a Zone
plate with a Convex lens.
Diffraction due to (1) a Straight Edge and (2) a
14-03-2016 to 31-03-2016
Rectangular Aperture (Slit), (3) a Small
Circular Aperture and (4) an Oopaque Circular Disc.
Fresnel’s Integrals, Cornu’s Spiral :
Fresnel Diffraction Pattern due to (1) a Straight Edge,
(2) a Slit, and (3) a Wire (Qualitatively
using Cornu’s Spiral).
Fraunhofer diffraction : Diffraction due to (1) a
Single Slit, (2) a Double Slit and (3) a Plane
Transmission Grating. Rayleigh’s criterion of
resolution. Resolving Power and Dispersive
Power of a Plane Diffraction Grating.
6 lectures
01-04-2016 to 11-04-2016
Holography : Principle of Holography. Recording
and Reconstruction Method. Theory of
Holography as Interference between two Plane
Waves.
3 lectures
12-04-2016 to 15-04-2016
Revison
15-04-2016 onwards