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Identify the correct ascending order of ...

Identify the correct ascending order of `alpha, beta` and `gamma` with reference to their ioninzing power
(I) `alpha`-ray (II) `gamma`-ray (III) `beta`-ray

A

II,III,I

B

I,III,II

C

II,I,II

D

I,II,III

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The correct Answer is:
A
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