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Unit 1 AS Physics AQA A

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Particles and antiparticles

Question 1 of 6

1

What do particles and antiparticles have in common?

Select one of the following:

  • Same charge

  • Same mass

  • Same weight

Explanation

Question 2 of 6

1

What do you get when energy is converted into mass?

Select one of the following:

  • Equal amounts of matter and antimatter

  • 6 protons, 7 neutrons

  • Neutrinos

Explanation

Question 3 of 6

1

Pair production is when a particle and an antiparticle meet, they then covert into two gamma photons which go off in opposite direction

Select one of the following:

  • True
  • False

Explanation

Question 4 of 6

1

Why are particle tracks usually curved?

Select one of the following:

  • Because the particles will be travelling at high speeds

  • Because there is usually more than one particle track

  • Because there's usually a magnetic field present

Explanation

Question 5 of 6

1

Which of these are made up of a particle and an antiparticle?

Select one of the following:

  • Baryons

  • Leptons

  • Mesons

Explanation

Question 6 of 6

1

Which of these are a correct particle and antiparticle pair?

Select one of the following:

  • Proton and baryon

  • Neutron and proton

  • Neutron and neutrino

  • Neutrino and antineutrino

  • Proton and antipositron

Explanation

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