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A multimode, step-profile fibre has a core radius of 50 microns, a core index of 1.52 and a cladding index of 1.50.
(a) If the fibre end-face is excited by a source with a wavelength of 850nm, what is the maximum number of bound modes that can be excited?
(b) What is the minimum number of bound modes that will be excited regardless of the wavelength of the source?
(c) If the fibre in (a) is now illuminated simultaneously by 2 sources that emit light at wavelengths of 1,300 and 1,550nm, respectively, what is the total number of different modal states that can be excited?
Displacement and Distance A simple animation showing the difference among the distance and the displacement Distance and displacement are two quantities which may seem to mean
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RUTHERFORD'S ATOMIC MODEL:- Rutherford proposed that all the positive charge and mass of the atom was concentrated in a small central region which is called the nucleus.This mo
#how does multihance work in mra and how does it improve mri image quality?question..
give examples?
The plates of a parallel plate capacitor are 5 mm apart and 2 m 2 in area. The plates are in vacuum. A potential difference of 10000 Volts is applied across the capacitor. Calcu
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implementation of nand gate
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