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Section- A
Interference :
Polarisation :
Fibre Optics
Special Theory of Relativity
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download notes here
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).
- 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.
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.
- 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.
Fibre Optics
- Propagation of light in optical fibres,
- types of fibres
- numerical aperture,
- V-number,
- single and multimode fibres,
- alternation dispersion,
- applications.
- 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.
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.
This post was last modified: 07-14-2018, 04:10 PM by Dipesh S.
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