Properties of Combiner
Explain some of the properties of Combiner? Explain its construction?
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The combiner refers to the mirror having various unusual properties: The reflective coating is greatly wavelength selective, that is centered upon the wavelength of emission from CRT phosphor and clears to other wavelengths, and coating is also extremely selective in the angle of incidence so that only that light impinging in the very narrow range of the angles will be reflected. Combiners are manufactured photographically by exposing the film of dichromate gelatine to crossed laser beams and then creating the resulting diffraction pattern image. As the gelatine is organic, it should be protected from environment, especially from the high temperatures.
A new vertical shaft has been proposed to connect surface to existing workings at a depth of 1000m below ground. The shaft is to be a mineral hoisting shaft with the ability to act as an emergency egress and has a proposed circular shape of 6m diameter. The stratigraphy of the geological strata at t
An office of a state license bureau has two types of arrivals. Individuals interested in purchasing new plates are characterized to have interarrival times distributed as EXPO(6.8) and service times as TRIA(8.8, 13.7, 15.2); all times are in minutes. Individuals who want to renew or apply for
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