Electromagnetic Waves Ques 22
22. Which of the following is positively charged?
[2001]
(a) $\alpha$-particle
(b) $\beta$-particle
(c) $\gamma$-rays
(d) X-rays
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Answer:
Correct Answer: 22.(a)
Solution:
- (a) $\alpha$ rays contain Helium nuclei which contains $2$ unit of positive charge.