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Explain how receiver functions in fibre optic communication system.
Receiver:
The optical signal received must be first converted within digital form and in case analog output. Moreover, the analog output has to be amplified to overcome the loss when any throughout its propagation via optical fibre.
Draw a ray diagram to show the formation of image of an object placed among the optical centre and focus of the convex lens. Write the characteristics of image formed. Using this d
Ammeters : Ammeters are used to measure current flow, as such they need to be inserted in series with the circuit under test so that the current to be measured flows through th
The vapour pressure of a substance at 20.0 o C is 38.1 kPa and its enthalpy of vaporisation is 49.6 kJ mol -1 . Estimate the temperature at which its vapour pressure is 80.0 k
What are bare fibers? It used mostly with PMMA fibers and refers to the optics which have no external protection sheath.
A ray of light is incident on one of the faces of a parallel sided glass slab at an angle of incidence 510 31' of thickness 0.12 m . Evaluate the lateral shift produced given refra
to calculate average speed, divide distance by time?
What is the mass of a two stage launch vehicle capable of putting a 100kg satellite into orbit around Mars, beginning in a parking orbit altitude at Earth of 200 km. Solve this pro
Cermets are a hybrid mixture of ceramic and metal. These are made by screening a mixture of glass and metal oxide on to a ceramic substrate. It is then fired at a temperature high
An egg beater Study an egg beater, hand drill or some other device in which an enhance of speed is obtained by means of gears.
brewsters law
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