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Nuclei
Radioactivity: Alpha, Beta and Gamma Rays
1 question from 1 paper, each with its answer.
- question
- 1
- paper
- 1
- of Nuclei
- 1.3%
Concepts tested
- Charge of radioactive emissions
All Questions
2001 AIPMT 1 question
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Which rays contain (+ve) charged particles : -$\alpha$-rays are streams of helium nuclei, ${}^{4}_{2}He^{2+}$, each carrying a charge of +2e. So they are positively charged.
$\beta$-rays are fast electrons (negatively charged; $\beta^+$ positrons are a separate case).
$\gamma$-rays and X-rays are electromagnetic radiation and carry no charge.
So $\alpha$-rays contain positively charged particles.