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CAIE A-Level Physics AS 11.1.8 An Antiparticle Has the Same Mass But Opposite Charge to the Corresponding Questions

Identify particle–antiparticle pairs and compare their equal masses and opposite charges in exam questions about fundamental particles.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • Understand that antiparticles have the same mass as their particles but opposite charge.
  • Identify particle–antiparticle pairs and compare their charges in nuclear and particle contexts.

CAIE A-Level Physics AS 11.1.8 An Antiparticle Has the Same Mass But Opposite Charge to the Corresponding Questions question 1

[Maximum number: 1]

A proton has mass mpm_{p} and charge +e.
What are the mass and charge of an antiproton?

mass

charge

−mp-m_{\mathrm{p}}

+e

−mp-m_{\mathrm{p}}

-e

mpm_{\mathrm{p}}

+e

mpm_{\mathrm{p}}

-e

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