Which among the following is a positively charged particle emitted by a radioactive element?

Which among the following is a positively charged particle emitted by a radioactive element?

مندرجہ ذیل میں سے کون سا ایک مثبت چارج شدہ ذرہ ہے جو تابکار عنصر سے خارج ہوتا ہے؟
Explanation
  • Alpha rays are positively charged particles made of two protons and two neutrons.
  • They are produced during the decay of heavy, unstable atomic nuclei.
  • They travel in a narrow, straight path when emitted.