Physics
Give one use each of (a) microwaves, (b) ultraviolet radiations, (c) infrared radiations, and (d) gamma rays.
Answer
(a) Microwaves are used for analysis of atomic and molecular structure.
(b) Ultraviolet radiations are used for sterilizing purposes.
(c) Infrared radiations are used for therapeutic purposes by doctors.
(d) Gamma rays are used in medical science to kill cancer cells (i.e., radio therapy).
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