Physics · Particle Physics
The term 'antiprotons', recently seen in the news, is best described as:
- 1Subatomic particles with no charge that are used in nuclear fusion reactions.
- 2High-energy photons used in advanced space propulsion systems.
- 3Negatively charged particles identical to electrons in all properties.
- 4Antiparticles of protons having the same mass but opposite charge.✓
Correct answer
Antiparticles of protons having the same mass but opposite charge.
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