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What are fibers optics made of?
For visible light or lighting purposes spectrum transmission, several types of fibers are used. Glass in very suitable strands which have to be bunched together so as to make a sizeable light carrier, PMMA and polycarbonate in sizes 0,25 - 3 milimeter and solid core fibers made from particular polymers in a Teflon sheath from 3 milimeter to over one-inch thick. Other kinds of fibers such as liquid core, fluorescent, colored fibers and scintillating are a few used for specialized applications.
Eg of like and unlike parallel forces
obtain expression for potential at point due to uniformly chargeddisc
Germanium possesses (A) One valence electrons. (B) Two valence electrons. (C) Three valence electrons. (D) Four valence electrons. Ans: Germanium possess
Copper constantan is used for measuring temperature up to (A) 1400 o C (B) 800 o C. (C) 1100 o C. (D) 400 o C. Ans: Copper constantan is used for meas
how does expansion occur
Mass as a Measure of the Amount of Inertia: All objects resist alters in their state of motion because they have inertia. However some objects have more of a tendency to resist
You pull a simple pendulum of length 0.240 m to the side through an angle of 3.50 degrees and release it. a) How much time does it take the pendulum bob to reach its highest speed?
Induction: The property of magnetism may be induced in a piece of material that does not normally have that characteristic. If a piece of soft iron is placed in the magnetic
i do not know the problems solving techniques
Explain the term 'critical frequency' in relation to sky wave propagation of electromagnetic waves. On a particular day, the maximum frequency reflected from the ionosphere is
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