Name one use of 'LASER' in each of the following areas: (a) communication; (b) medicine;...
PHYSICS
WAEC 2013
Name one use of 'LASER' in each of the following areas:
(a) communication;
(b) medicine;
(c) security
Explanation
Uses of LASER:
(a) Communication for holograms production, CD, VCD, DVD playing, data transfer, fiber-optic cable and space communication.
(b) Medicine - for welding retina of the eye, cervical cancer surgery, boring holes in the skull, cauterizing blood vessels, testing biological samples, monitoring glucose level in diabetic patient, dentistry, etc.
(c) Security - for guidance system of missiles, aircrafts and satellites, generation of isotopes for nuclear weapons or reactors or enriched uranium production.
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