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Explain the construction and working of a Transmission Electron microscope with a schematic diagram

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State Maxwell’s equations in differential form in a medium, in the presence of charges and currents

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Describe any two methods to synthesize nanomaterials.

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Describe the physical significance of gradient, Divergence and Curl

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If \(\vec{A}= xyi – 8xy^2z^2j + 2xyzk \). Find \( \vec{∇}\vec{A} \ at \ point (1,-2, 4)\)

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Derive the expression for the Numerical aperture for a step index fiber

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Draw and explain energy level diagram of Nd: YAG Laser.

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Prove that x 2+y2+z2 -c2 t 2 is invariant under Lorentz transformation.

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What is length contraction? Derive the expression for the same?

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State Maxwell’s all four equations and give the significance of each

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Calculate the number of modes of a step index optical fibre of diameter 40 if its core and cladding

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When a frame of reference is said to be a non-inertial frame of reference? Give an example.

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What is Galilean transformation? Derive Galilean transformation equations for position and time

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Describe the fiber optics communication system with block diagram

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Given A = x2yi +(x-y) k, find ∇A

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If ф(x,y,z) = 3x2y - y3z 2 , Find ∇ ф at the point (-1, -2, 1).

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Explain the working of atomic force microscope in detail.

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A diffraction grating used at normal incidence gives a line, λ1 = 6000 A˚ in a certain order superimposed

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What is importance of resonant cavity in the operation of laser?

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How is multipath dispersion overcome in Graded index fibre?

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