Physics
Which type of rays exist beyond X-rays of the electro magnetic spectrum? State one property and one use of these rays.
Radioactivity
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Answer
Beyond X-rays, ultraviolet rays exist.
Property — Ultraviolet radiations travel in a straight line with a speed of 3 x 108 ms-1 in air or vacuum.
Use — Ultraviolet radiations are used for sterilizing purposes.
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