--- Content provided by FirstRanker.com --- a) Discuss Fraunhofer diffraction due to single slit and derive the conditions for principle maxima and minima. [7M] b) Explain the resolving power of grating. [7M]
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UNIT – II
- a) Explain the construction and reconstruction of hologram with neat diagrams. [7M]
- b) Deduce the relation between Einstein’s coefficients. [7M]
- a) Explain the principle and working of optical fiber with neat diagrams. [7M]
- b) Deduce an expression for acceptance angle and numerical aperture of an optical fiber. [7M]
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UNIT – III
- a) Derive Schrödinger’s time independent wave equation. [7M]
- b) Explain the physical significance of wave function ψ. [7M]
- a) Explain Bloch theorem. [7M]
- b) Explain Kronig – Penny model. [7M]
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UNIT – IV
- a) Derive an expression for carrier concentration in intrinsic semiconductors. [7M]
- b) Explain the Fermi level in intrinsic and extrinsic semiconductors. [7M]
- a) Explain the formation of P-N junction diode and discuss its V-I characteristics. [7M]
- b) Explain the working of solar cell with neat diagram. [7M]
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UNIT – V
- a) Explain the construction, properties and applications of Carbon Nano tubes. [7M]
- b) Write notes on Ball milling technique. [7M]
- a) Explain the different types of liquid crystals and their applications. [7M]
- b) Write the applications of Nano materials in various fields. [7M]
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