When light is incident on a metal surface, electrons may be ejected. The
following graph shows the variation with frequency f of the maximum kinetic
energy Ekmax of the ejected electrons.
Which one of the fo
Particle Physics Worksheet #3
Explain why high energies are needed to produce particles of large mass. The top quark has
a rest mass of 175 GeVc-2.
Explain why high energies are necessary to resolve small sizes.
State what is meant by synchrotron
Particle Physics Worksheet #2
Describe what is meant by a Feynman diagram.
Draw Feynman diagrams to represent the following electromagnetic processes:
(a) e e
(b) e e
Use the electromagnetic vertex to draw a Feynman diagram for the scattering
Particle Physics Worksheet #1
Particles are divided into fermions and bosons. What property of particles is used in order to
make this classification?
State the Pauli exclusion principle and use it to explain why the innermost shell of an
atom can h
Particle Physics Worksheet 4
What do the words deep and inelastic refer to in the context of deep inelastic scattering
Outline what is meant by asymptotic freedom. What experimental evidence is there to
support asymptotic freedom?
A photosurface has a work function of 3.00 eV. What is the critical frequency?
A photosurface has a critical frequency of 2.25x1014 Hz. What is the voltage required to
stop electrons emitted from a photosurface when radiation of freq