68th BPSC Prelims (2023), question 111

🔬 Science & Technology

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

    1. Beta ray
    2. Alpha ray
    3. Cathode ray
    4. More than one of the above
    5. None of the above
    Show answer

    Answer: B — Alpha ray

    The alpha particle (helium nucleus) carries a positive charge among radioactive emissions.

Read the chapter this comes from

CareerCraft Labs is a private study platform. It is not a government body and is not affiliated with, endorsed by, or authorised by any examination authority. We do not accept applications, conduct examinations, or issue government results. Bihar Public Service Commission