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JEE PHYSICS MCQ: NUCLEI

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Understanding +4 | -1
Ionization power and penetration range of radioactive radiation increases in the order
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Correct option: B
γ,β,α\mathrm{\gamma },\mathrm{\beta },\mathrm{\alpha } and α,β,γ\mathrm{\alpha },\mathrm{\beta },\mathrm{\gamma } respectively
Option D is correct because alpha particles have the highest ionization power and the lowest penetration range, while gamma rays have the lowest ionization power and the highest penetration range.

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