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.

Official sources (1)

Bihar Public Service Commission