Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYEnvironmental Issues1 Mark
MCQ
Phosphorus$-32$ emits:
A
$\alpha \text{ particles}$
✓
$\beta \text{ particles}$
C
$\gamma \text{ particles}$
D
$\text{X-rays}$
✓
Answer
Correct option: B.
$\beta \text{ particles}$
The beta particle is a high$-$energy and high$-$speed electron that is emitted from the radioactive element.
Phosphorus$-32$ is a radioactive isotope of phosphorus. The electron is emitted from it in the form of a beta particle. Phosphorous$-32$ is used in medicine and molecular biology.
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