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Discuss about the Single-mode fibre in short.
Single-mode fibre:
A single-mode fibre consists of a narrow core (8 to 10µm) and refractive index in between the core and cladding does not modify very much during the fibre. Due to the narrower core, such light travels almost parallel to the axis, therefore creating little or almost no pulse dispersion. Therefore, they can carry a higher bandwidth (up to 50 times more far than multimode fibre) nevertheless need a light source along with a narrow spectral width.
LENARD ATOMIC MODEL : Lenard suggested that the atom must have a lot of empty in it. Lenard's model of an atom could not explain about the stability and mass of an atom .
Barrier potential in a P-N junction is caused by (A) Thermally generated electrons and holes. (B) Diffusion of majority carriers across the junction. (C) Migration
what, why, use
A stack emitting 85 g/s of NO has an effective stack height of 100 m. The wind speed is 3 m/s at 10 m, and it is a cloudy summer day. Estimate ground level NO concentration:
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The Venturimeter (see figure) is a device used to calculate the flow speed of a fluid in a pipe. At the throat, the area is decreased from A to a and the velocity is increased from
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Q. Dissimilarity between an intrinsic and extrinsic semiconductor? Answer:- Semiconductors permit only a little amount of light to pass through them. They are of two n-kin
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