alleryA positron has the same mass as an electron but a charge that is:
AEntirely absent
BEspecially large
CExactly opposite
DExactly identical
Answer & Solution
Correct answer: C. Exactly opposite
1. Both particles appear in beta decay.
2. Their masses match precisely.
3. The charge is exactly opposite.
_Source: syllabus Physics, Ch 13 'Nuclei'_
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