Particle Interactions & Conservation (Edexcel A Level Physics)

Exam Questions

21 mins6 questions
1
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1 mark

The straight pi to the power of minus particle has a mass of 140 MeV/ c2.

Which row of the table is correct for the antiparticle of a straight pi to the power of minus ?

  Particle
classification
Mass/ MeV/c2
A Baryon +140
B Baryon -140
C Meson +140
D Meson -140

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    2
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    Which of the following particles is an example of a fundamental particle? 

    • nucleus

    • neutrino

    • pion

    • proton

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    1
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    Which row of the table summarises the mass and charge of an antineutron?

      Mass / u Charge / e
    A 0 0
    B 0 -1
    C 1 0
    D 1 +1

     

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      2
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      1 mark

      A high-energy proton can interact with a photon to produce two particles.

      Which of the following could be the two particles produced?

      • n + π0

      • n + π+

      • π0 + π+

      • π + π+

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      3
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      Which of the following particle equations is correct for the decay of a proton within a nucleus?

      • p → n + β+

      • p → p + β+

      • p → n + β+ + v

      • p → p + β+ + v

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