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A weakly guiding fibre with a particular graded core index has cut-off V-values for its 2nd, 3rd and 4th modes of 2.5, 3.9 and 5.2, respectively. The core radius is 4 microns, the core index is 1.47 and the cladding index is 1.46.
Determine the range of source wavelength values in nm for which the fibre is:
(a) single-mode
(b) two-mode,
(c) three-mode
(d) more than 3-mode.
1. A protein was observed to move 300 µm in 12.7 minutes at 23 ° C. Assuming its density and viscosity to be 1.34 g/cm 3 and 0.89 X 10 -2 g/cm s respectively, calculate the fo
Power ratings of DC Circuit: Electrical equipment can only stand a certain amount of heat production without damage and the safe power which a piece of equipment can consume wi
Do not confuse units and dimensions. We can use dissimilar units to measure the same physical quantity. So, for example, you can calculate the mass in units of kilograms, poun
Red light (λ = 685 nm) falls on a slit that is 0.025 mm wide. The distance between the centers of the central bright band and the second-order dark band is 6.3 cm. What is
whats matter
Air Resistance Force (Fair) : special type of frictional force that acts upon objects as they travel by the air. Force of air resistance is often observed to oppose the motion of a
What is whomehole and how it
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