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| Q. |
Fibre optics work on the principle of – |
| A. | Scattering of light |
| B. | Total internal absorption |
| C. | Total internal reflection |
| D. | Optical rotation |
| Answer» C. Total internal reflection | |
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Explanation: An optical fiber (or optical fibre) is a flexible, transparent fiber made of glass (silica) or plastic, slightly thicker than a human hair. It functions as a waveguide, or "light pipe", to transmit light between the two ends of the fiber. The field of applied science and engineering concerned with the design and application of optical fibers is known as fiber optics. |
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