, Syllabus
➢ Interference at parallel thin film,
➢ Conditions of maxima and minima
➢ Interference at wedge shaped film
➢ Anti-reflection coating
➢ Types of diffraction
➢ Single slit diffraction (Derivation)
➢ Diffraction grating (Qualitative)
➢ Introduction to X-Ray diffraction
➢ Double refraction
➢ Huygens’ theory of double
refraction
➢ Photo elasticity.
,Electromagnetic
Spectrum
, The energy transports form the sun
towards the Earth surface in the form of
waves these
waves are called
Electromagnetic waves.