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Grade 12Marks and Rank in IIT JEE

Which of the following transmutations demonstrate(s) beta decay?
  1. Bi-212 → Po-212
  2. Pb-212 → Bi-212
  3. Ra-228 → Ac-228
  1. i only
  2. ii only
  3. i, ii and iii
  4. i and ii only

Profile image of shefali
7 Years agoGrade 12
Answers icon

1 Answer

Profile image of Shivangi Khatter
7 Years ago
dear student
the correct answer is(C)
All the three reactions are examples of beta decay. In a beta decay process, atomic mass remains same but the atomic no. increases or decreases by one unit.

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