Science, asked by pratikchhabile201, 3 months ago

is used in portable x-rays unit as the source of Beta rays.
a) Krypton - 85 . b) Promethium-147 c) Strontium - 89 d) Iodine - 131

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Answered by devilgamer58

0

is used in portable x-rays unit as the source of Beta rays.

a) Krypton - 85 . b) Promethium-147 c) Strontium - 89 d) Iodine - 131

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