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Advanced Engineering Physics

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Differentiate between step index and graded index fibre.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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The core diameter of multimode step index fibre is 50$\mu$m. The numerical aperture is 0.25. Calculate the number of guided modes at an operating wavelength of 0.75$\mu$m?
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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A fibre cable has an acceptance angle of 30$^{\circ}$ and core index of refractive index 1.4. Calculate the refractive index of cladding.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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Calculate the V number of an optical fibre having numerical aperture 0.25 and core diameter 20 m, if its operating wavelength is 1.55 $\mu$m.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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What is the numerical aperture? Explain the use of optical fibre in temperature sensor.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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With neat diagram explain the concept of total internal reflection (TIR).
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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Derive the formula for numerical aperture of step index fibre and give its physical significance. The N.A. of an optical fibre is 0.5 and core refractive index is 1.54.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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A glass material A with which an optical fibre is made has a refractive index of 1.55. this material is clad with another material whose refractive index is 1.51.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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A parallel beam of light of wavelength 5890A$^{\circ}$ is incident on a glass plate
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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What is monomode and multimode fibre? Explain the term V-number.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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Using Spherical co-ordinate systems calculate the area of a disc of radius 2 cm.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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Explain Cylindrical co-ordinate system. State the transformation relation between Cartesian and Cylindrical co-ordinates .
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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What is a divergence of vector field. Express it in cartesian, spherical and cylindrical coordinates
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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Show that the divergence of the curl of a vector is zero.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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Explain Spherical co-ordinate system. State the transformation relation between Cartesian and Spherical co-ordinates.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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Derive Maxwells two general equations in integral and differential form.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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Find cylindrical co-ordinates of a point (3i+4j+k).
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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Find the divergence of vector field F=x$^{2}$yz $\bar i$+xz$\bar j$
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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Write Maxwell's equations and give its physical significance.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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Find the divergence of vector function $\bar{A}$ = x$^{2}$ $\bar i$+x$^{2}$y$^{2}$ $\bar j$+24x$^{2}$y$^{2}$z$^{3}$ $\bar k$
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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How is Lissajous figures used to measure unknown frequency?
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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Derive the Bethe law for electron refraction.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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Explain Maxwell's third equation.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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If $\bar A = x^{2} z \bar i -2y^{2} z^{2} \bar j + xy^{2} z \bar k$. Find A at point (1,-1,1)
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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With a neat diagram explain construction and working of Scanning electron microscope.
advanced engineering physics updated 4.4 years ago by sanketshingote • 100
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