AQA - A Level Physics - Particles and radiation #3

Recap and retrieval - Particles and radiation #3
Quiz by Nighthawk
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Last updated: July 8, 2020
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First submittedJuly 8, 2020
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Hint
Answer
What is the interaction that acts between charged particles only
Electromagnetic
What is the interaction that is repulsive below 0.5fm
Strong nuclear interaction
What are the interactions with a limited range
Strong and weak nuclear interactions
What are the interactions with an infinite range
Electromagnetic and gravity
What is the maximum range of the strong nuclear force
3fm
Draw the Feynman diagram for electromagnetic repulsion between two electrons
https://o.quizlet.com/ifub98pgFjEGf5guUaBZ6Q_m.png
What is the fundamental exchange particle for the strong nuclear force
Gluon
What is the weakest fundamental force
Gravity
What is an example of a strange meson
Kaon
All baryons decay into which particle?
protons (because protons are the hadron with the lowest mass so lowest rest energy)
Hint
Answer
Always have opposite sign for their quantum numbers
Antiparticles
What is the baryon number of an anti-quark
-1/3
What is the baryon number of a quark
+1/3
What is the baryon number of a hadron made of quarks?
+1
What is the baryon number of a hadron made of anti-quarks?
-1
What is the baryon number of a meson
0
Billions of these particles pass through your body every second
Neutrinos
What is the family of particles that are subject to all four fundamental interactions
Hadrons
Describe leptons
Group of particles that are subject to the weak nuclear force but not the strong nuclear force
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