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प्रश्न
How does the ionising power of beta particles compare with that of alpha particles?
विकल्प
The ionising power of beta particles is lower than that of alpha particles
The ionising power of beta particles is higher than that of alpha particles
Beta particles have no ionising power at all
The ionising power of beta particles is equal to that of alpha particles
MCQ
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उत्तर
Beta particles have a very small mass, so their ionising power is lower than that of alpha particles, which are strongly ionising. However, beta particles penetrate matter more effectively than alpha particles.
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