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39 Cards in this Set
- Front
- Back
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What is the charge of the electron?
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-1.60 x10 -19
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What is the charge of a proton?
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+ 1.60 x10 -19
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What is the mass of a proton?
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1.67 x10 -27
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What is the mass of a neutron?
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1.67 x10 -27
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What is the mass of an electron?
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9.11 x10 -31
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Definition of an isotope
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Atoms with same number of protons and different number of neutrons
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How would you work out specific charge?
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Charge/mass
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Unit for specific charge
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Ckg-1
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What happens to x during alpha decay
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A loses 4, Z loses 2, X turns to Y
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What happens during Beta decay?
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A doesn't change, Z adds 1, X turns to Y
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Range of strong nuclear force
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0.5 fm- (3-4)fm
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What is the strong nuclear force?
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Attractive Force overcomes the electrostatic force of repulsion between the nucleons in the nucleus to keep it from imploding, is repulsive below 0.5fm to stop them colliding
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What is a photon?
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Short burst as a packet of electromagnetic waves
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How do you work out the energy of a photon?
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E= Hf
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How do u work out frequency of a (electromagnetic) wave?
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Frequency = speed divide by wavelength
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What is the value of plank constant?
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6.63 x10-34 Js
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How do you work out the power of the beam?
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The power of a beam= nhf
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Explain pair production
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1
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Explain annihilation
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2
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What are the 4 fundamental forces
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Gravity
Electromagnetic force Strong nuclear force Weak nuclear force |
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What is the boson for the electromagnetic force?
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Virtual forces
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What is the boson for the strong nuclear force?
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Gluons
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What is the is the boson for weak nuclear force?
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W+, W-, Z
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Beta minus decay In a Feynman
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Gravitons
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Boson for gravity
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Graviton
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Describe beta plus decay
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Describe electron capture in a Feynman
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Describe neutrino-neutron collision in a Feynman
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Describe anti neutrino-proton in a Feynman
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Describe electron-proton in a Feynman
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Describe the tree of particle classification
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Define a hadron
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Not fundamental
Subject to strong nuclear force Made up of baryons, anti baryons and mesons |
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State the symbol, charge, baryon number and strangeness of the up, down and Strange quarks
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State the quark combination of proton, neutron, anti proton and anti neutron
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State the quark combination of proton, neutron, anti proton and anti neutron
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The quark combination of a pion meson
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State the quark combination of proton, neutron, anti proton and anti neutron
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The quark combination of a pion meson
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Quark combination of a kaon meson
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