C15AtomicStructureandParticlePhysics

Which particle is not a fundamental particle?

• charm quark

• electron

• neutrino

• neutron

How many neutrons are there in a nucleus of the stable isotope?

• 7

• 8

• 9

• 10

Which statement is correct?

• A baryon is a hadron and consists of 2 quarks.

• A meson is a hadron and consists of 3 quarks.

• An electron is a fundamental particle and is a lepton.

• A neutrino is a fundamental particle and is a hadron.

An isotope of boron decays to beryllium by β+ emission.

Which particle is emitted in addition to the β+ particle?

• antineutrino

• electron

• neutrino

• neutron

• 2

• 3

• 4

• 5

What is not a quark flavour?

• charm

• meson

• strange

• up

• 
• 
• 
• 

What is the name of the group (class) of particles containing mesons, and the name of the group

(class) of particles containing baryons?

• A

• B

• C

• D

What is the rest mass of a beta-particle?

• 0

• 9.11 x 10^-31 kg

• 1.66 x 10^-27 kg

• 1.67 x 10^-27 kg

What is the charge of an anti-top quark?

• -⅔ e

• -⅓ e

• +⅓ e

• +⅔ e