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What is randomized common ends?
When some light guides are bundled together in a single common end this becomes a physical impossibility to get the same level of light in each light guide since the lamp emission is not completely even on the screen plane. To minimize the differences individual fibers are "randomized" or mixed so that each light guide gathers its light from various geometrical points inside the screen. Light issuing by individual ends in a randomized system is considerably more even but not completely so. In polymer fiber systems state of the art optical randomizers can get greater evenness with little loss.
Dirive an expretion for low of succecive disintigretion
Surface tension is a contractive tendency of the surface of a liquid that permits it to resist an external force. It is revealed, for instance, in the floating of some objects on t
A bubble, located 0.200m beneath the surface of a beer, rises to the top. The air pressure at the top is 1.01 x 10^5pa.Assume that at the density of beer is that same as that fresh
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A lift is moving down with an acceleration of 3m/s. A ball is released 1.7m above the lift floor. How long will the ball take to hit the floor?
It states that at temperatures Curie temperature the magnetic susceptibility of ferromagnetic materials is inversely proportional to (T - Tc) i.e
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