Bradgarner772
14.12.2021 •
Physics
a 100 g ball on a 60 cm long string is swung in a vertical circle whose center is 200 cm above the floor. the string suddenly breaks when it is parallel to the ground and the ball is moving upward. the ball reaches a height 600 cm above the floor.
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Ответ:
Meaning Of Laser:
Laser is a device that generates an intense beam of coherent monochromatic light by stimulated emission of photons from excited atoms or molecules.
Places of use:
Lasers are used in drilling and cutting, alignment and guidance, and in surgery, reading barcodes and etc.
Examples of Optic Fibres:
Some examples of optical fibres are:-
Communication, Fiber Channel, Power Transmission, Sensors, Lasers, Aircraft etc.
Laser beams:-