A radioactive decay can be represented as shown. 91Pa^233 ---> 92U^233 +...... The emitted particle is a/an?
General Science / Physics Class 10th MCQs — Multiple-choice practice
- A. Proton
- B. γ-particle
- C. β-particle
- D. α-particle
Correct answer
β-particle
Explanation
Explanation The radioactive decay equation shows a parent nucleus (91Pa^233) decaying into a daughter nucleus (92U^233) with the emission of a particle. The parent nucleus has an atomic number of 91 (Protactinium) , and the daughter nucleus has an atomic number of 92 (Uranium). This increase in atomic number indicates that a beta particle (β) has been emitted.
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