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CAIE A-Level Physics 11.1.7 Alpha, Beta and Gamma Radiation

Practise comparing alpha, beta-minus, beta-plus and gamma radiation by particle composition, mass, charge and supported differences in penetration.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • state the composition, mass and charge of alpha, beta-minus, beta-plus and gamma radiations
  • compare the penetrating ability or charge of alpha, beta and gamma radiation when supported by the particle composition
  • identify the particle content and sign of charge in a radiation description

11.1.7—The composition, mass and charge of α-, β- and γ-radiations (both β– question 1

[Maximum number: 1]

Nucleus Q undergoes radioactive decay to form nucleus R, emitting an antineutrino and another particle X, as shown in the decay equation.

Q→R+X+vˉQ \rightarrow R+X+\bar{v}

State what particle is represented by X .

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