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Index
»
A level physics equations and key knowledge
»
Year 1
»
Fundamental forces
level: Fundamental forces
Questions and Answers List
level questions: Fundamental forces
Question
Answer
What happens in electron capture
An electron is drawn into the nucleus of its atom and combines with a proton to create a neutron. an a neutrino is emitted
What happens in electron capture
An electron is drawn into the nucleus of its atom and combines with a proton to create a neutron. an a neutrino is emitted
What are the fundamental forces
Gravitational, electromagnetic, weak nuclear, strong nuclear
What types of particles does the weak nuclear force interact with
Hadrons and leptons ( All particles) protons, neutron, electrons, muons and neutrinos
What is the exchange particle for the weak nuclear force
W or K boson
What types of particles does the strong nuclear force interact with
Hadrons protons and neutron
What is the exchange particle for the strong nuclear force
Gluons
What force holds together quarks
Strong nuclear force
What types of particles does the electromagnetic force interact with
Any charged particle
What is the exchange particle for the electromagnetic force
Virtual photons
What types of particles does the gravitational force interact with
All particles
What is the exchange particle for the gravitational force
Graviton
What is the strength of the four forces in order from strong to weak
Strong nuclear, electromagnetic, weak nuclear, gravitational (There are limits to how far each force reaches)
Leptons interact with what fundamental forces
All except strong nuclear
Hadrons (Mesons and baryons) interact with what fundamental forces
All fundamental forces
What happens in electron capture
An electron is drawn into the nucleus of its atom and combines with a proton to create a neutron. an a neutrino is emitted