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Section- A
Interference :

• Coherent sources:--
  
• conditions for sustained interference.
  

 

• Division of Wave-Front , schrodinger wave equation
  
• Fresnel's Biprism ,
  
• Division of Amplitude-
  
• Wedge-shaped film,
  
• Newton's Rings,
  
• Michelson Interferometer, applications (Resolut ion of closely spaced spectral lines, determination of wavelengths).
  

Diffraction :

• Difference between interference and diffraction Fraunhofer and Fresnel diffraction.
  
• Fraunhofer diffraction through a single slit,
  
• Plane transmission diffraction grating,
  
• absent spectra,
  
• dispersive power,
  
• resolving power
  
• Rayleigh criterion of resolution.
  

Section-B
Polarisation :

• Polarised and unpolarised light.
  
• Uniaxial crystals double refraction,
  
• Nicol prism,
  
• quarter and half wave plates,
  
• Detection and Production of different types of polarized light,
  
• Polarimetry; Optical and specific rotation,
  
• Biquartz and Laurent's hald shade polarimeter.
  

Laser

• Spontaneous and stimulated emission,
  
• Laser action, population inversion
  
• characteristics of laser beam- cohrence
  
• absorption of radiation in laser
  
• concept of coherence,
  
• spatial and temporal coherence.
  
• He-Ne and semiconductor lasers (simple ideas).
  
• applications.
  

Section-C
Fibre Optics

• Propagation of light in optical fibres,
  
• types of fibres
  
• numerical aperture,
  
• V-number,
  
• single and multimode fibres,
  
• alternation dispersion,
  
• applications.
  

Dielectrics

• Molecular theory,
  
• polarization,
  
• displacement vector,
  
• electric susceptibility,
  
• dielectric coeficient,
  
• permitivity & various relations between these,
  
• Gauss's law in the presence of a dielectric,
  
• Energry stared in a uniform electric field,
  
• concept of local molecular fields and
  
• Claussius Mossotti relation.
  

Section-D
Special Theory of Relativity

• Michelson's Marley Experiment,
  
• Postultes of special theory of relativity,
  
• Lorentz transformations.
  
• Consequences of LT (length contraction and time dilation).
  
• addition of velocities,
  
• variation of mass with velocity,
  
• mass energy equivalence.
  

Super Conductivity

• Introduction (Experimental survey),
  
• Meissner effect,
  
• London equations,
  
• Hard and Soft supercondictors,
  
• Elements of BCS Theory.
  

 Section-A

Crystal Structure DOWNLOAD HERE

• Space lattice,
  
• unit cell and translation vector,
  
• Miller indices,
  
• simple crystal structure.
  
• Laue's treatment to Bragg's law,
  
• powder method,
  
• point defects in solids- Schottky and Frenkel defects,
  
• Bonding in solids- lonic and covalent bonds.
  

Quantum Physics DOWNLOAD HERE

• Difficulties with classical physics,
  
• introduction to quantum mechanics- simple concepts, Black body radiations Discovery of Planck's constant, phase velocity and group velocity.
  
• Schrodinger wave equations-time dependent and time independent, Expectation value, Ehrnfest Theorem, particle in a one-dimensional box.
  
• Quantum Statistics (Bose-Einstein and Fermi-Dirac Statistics). Elementary ideas of quark, gluons and hadrons.
  

Section-B

Nano-Science DOWNLOAD HERE

• Features of nanosystems,
  
• concept of quantum size effect,
  
• quantum dots and their applications.
  

Free Electron Theory DOWNLOAD HERE

• Elements of classical free electron theory and its limitations.
  
• Drude's theory of conduction,
  
• quantum theory of free electrons,
  
• Fermi level, density of states,
  
• Fermi-Dirac distribution function,
  
• Thermionic emission,
  
• Richardson's equation.
  

Section-C
Band Theory of Solids DOWNLOAD HERE

• Origin of energy bonds,
  
• Kronig-Penny model (qualitative) E-K diagrams,
  
• Brillouin Zones, Concept of effective mass and holes.
  
• Classification of solids into metals,
  
• semiconductors and insulators.
  
• Fermi energy and its variation with temperature.
  
• Hall effect and its applications.
  

Photoconductivity & Photovoltaics  DOWNLOAD HERE

• Photoconductivity in insulating crystal,
  
• variation with illumination,
  
• effect of traps
  
• applicaiton of photoconductivity,
  
• photovoltaics cells,
  
• solar cell and its characteristics.
  

Section-D

Megnetic Properties of Solids DOWNLOAD HERE

• Atomic magnetic moments,
  
• orbitals diamagnetism,
  
• Classical theory of paramagnetism,
  
• ferromagnetism, molecular fields and domain hypothesis.