Question

Give two uses each of the following:
(a) Gamma ray
(b) Infrared rays
(c) Ultraviolet radiations

Answer 1

Uses of Gamma rays :
(1) Inspecting castings and welds for defects that are not visible to the naked eye.
(2) Treatment of certain types of cancer.

Uses of Infrared rays :
(1) Night-vision cameras
(2) Infrared is often used to send signals through fiber optic cables, particularly when using standard silica fibers.

Uses of Ultraviolet rays :
(1) Use of ultraviolet light radiation in hospitals is for the disinfection of the air.
(2) Ultraviolet used to Detect counterfeit notes .

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