Engineering Physics
Unit 1Wave Optics Derive interference in thin film of uniform thickness. Derive interference in thin film wedge shape. What is diffraction? Explain diffraction at a single slit. Explain Diffraction Grating in detail. What is Rayleigh criterion? Why it is used? Explain Polarization of light in brief. What is Malus’s Law? Derive its expression. Explain Huygens’s Principle in detail. In malus’s law what happens if θ is zero and 90? Which criteria is used to determine the resolving power and why? Write and explain the grating equation. Write short note on antireflective or anti-reflection (AR) coating.
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