Solve the following, if the radio wave transmitted at an angle of incidence 720, with a wavelength of 15mm. Find critical density. Find Maximum usable frequency, if Nmax = 1.5x Ncritical %3D

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Fiber Optics

Fiber optics is a technology used to transmit the facts such as light or pulses with fiber or plastic over long distances. Visual fibers are about the width of a human hair strand and, when tied directly to a fiber-optic cable, can transmit multiple long-distance records and faster in different ways.