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why do electric field lines contract longitudinally
Q. What is an optical fibre and dispersion? Write the expression for angle of deviation.
A quarter of a wavelength is equal to how many degrees of phase? A quarter of wavelength is equaivalent to 90 degrees of phase.
Faraday constant; F (M. Faraday) The electric charge carried through one mole of electrons (or singly-ionized ions). This is equivalent to the product of the Avogadro constant
Displacement: - The modification in position of a body in a certain direction is known as displacement. It is a vector function and its unit in SI system is meter.
Although conduction does occur in liquids and gases also, heat is transmitting in these media mostly by convection. In that phenomenon, the real motion of the material is responsib
A rocket weighs 9800N. What applied force gives it a vertical acceleration of 4m/sec/sec?
Illustrates term refractive index in optical fibres? Refractive Index: Optical fibres consist of two layers which are core and cladding with various refractive indices. T
What is LASER? describe the construction and working of He-Ne Laser with suitable diagram
Why population inversion is essential to achieve in lasing action? a) Define zener breakdown. b) What is called nanomaterials?
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