BPH-302
UNIT-I
FERMAT’S PRINCIPLE & CARDINAL POINTS
Fermat’s principle and its applications, Cardinal points, Focal length of combination of two thin lenses, Spherical and chromatic aberrations and their elimination, Huygen’s and Ramsden’s eye pieces.
UNIT – II
INTERFERENCE OF LIGHT
Theory of interference, Coherent sources, Fresnel’s biprism, Determination of wavelength by biprism, Thickness of thin mica sheet, Llyod mirror, Achromatic fringes. Interference in thin films, Colours in thin films, Interference in wedge-shaped films, Theory and applications of Newton’s rings, Michelson interferometer and its applications.
UNIT – III
DIFFRACTIOPN OF LIGHT
Fresnel’s theory of half period zones, Zone plate, Explanation of rectilinear propagation of light, Diffraction at straight edge and narrow wire, Fraunhoffer diffraction, Diffraction at a single slit and N slits, Plane transmission grating, Rayleigh criterion of resolution, Resolving power of telescope and grating.
UNIT – IV
POLARIZATION OF LIGHT
Brewster’s law, Double refraction, Nicol prism, Huygen’s theory of double refraction, Elliptical and circular polarization, Quarter wave plate, Half wave plate, Specific rotation, Half shade and bi-quartz polarimeter,
UNIT – V
LASERS
Purity of spectral lines, Coherence length and coherence time, Spatial coherence of source, Spontaneous and stimulated emission, Einstein’s A and B coefficients, Condition for laser action, Population inversion, Ruby laser, He-Ne laser, Uses of laser
BOOKS :-Brijlal Subhramanyam
A.K Ghatak
UNIT-I
FERMAT’S PRINCIPLE & CARDINAL POINTS
Fermat’s principle and its applications, Cardinal points, Focal length of combination of two thin lenses, Spherical and chromatic aberrations and their elimination, Huygen’s and Ramsden’s eye pieces.
UNIT – II
INTERFERENCE OF LIGHT
Theory of interference, Coherent sources, Fresnel’s biprism, Determination of wavelength by biprism, Thickness of thin mica sheet, Llyod mirror, Achromatic fringes. Interference in thin films, Colours in thin films, Interference in wedge-shaped films, Theory and applications of Newton’s rings, Michelson interferometer and its applications.
UNIT – III
DIFFRACTIOPN OF LIGHT
Fresnel’s theory of half period zones, Zone plate, Explanation of rectilinear propagation of light, Diffraction at straight edge and narrow wire, Fraunhoffer diffraction, Diffraction at a single slit and N slits, Plane transmission grating, Rayleigh criterion of resolution, Resolving power of telescope and grating.
UNIT – IV
POLARIZATION OF LIGHT
Brewster’s law, Double refraction, Nicol prism, Huygen’s theory of double refraction, Elliptical and circular polarization, Quarter wave plate, Half wave plate, Specific rotation, Half shade and bi-quartz polarimeter,
UNIT – V
LASERS
Purity of spectral lines, Coherence length and coherence time, Spatial coherence of source, Spontaneous and stimulated emission, Einstein’s A and B coefficients, Condition for laser action, Population inversion, Ruby laser, He-Ne laser, Uses of laser
BOOKS :-Brijlal Subhramanyam
A.K Ghatak
No comments:
Post a Comment