The Standard Model 1

Select the list containing 6 types of quarks

• in, out, up, down, top and bottom

• in, out, right, left, charm and strange

• charm, strange, up, down, top and bottom

• charm, strange, right, left, top and bottom

The correct definition of the term antiparticle is

• a particle with a known substructure

• a particle with no known substructure

• a particle with the same mass and opposite charge to a corresponding particle

• a particle with the different mass and the same charge as a corresponding particle

What are the fundamental particles in the standard model of matter?

• baryon, hadrons and leptons

• protons, neutrons and electrons

• quarks only

• quarks and leptons

What are hadrons?

• nucleons with 2 quarks only

• nucleons with 3 quarks only

• nucleons with 2 or 3 quarks

• nucleons with more than 2 quarks

Which statement about baryons and mesons is correct?

• Baryons are made up of a quark/antiquark pair, mesons of 3 quarks.

• Baryons are made up of 3 quarks, mesons of a quark/antiquark pair.

• They are both made up of 2 quarks.

• They are both made up a 3 quarks.

An electron is a:

• boson

• hadron

• lepton

• meson

The nucleus of an atom contains:

• a baryon and a lepton

• a meson and a hadron

• 2 baryons

• 2 leptons

What is a fundamental particle of matter?

• one which occurs naturally

• one which occurs as part of the nucleus

• one which is a combination of 2 or more other particles

• one which is not a combination of other particles