Particle Physics Quiz

Who discovered Radioactivity?

• Curie

• Newton

• Einstein

• Becquerel

What is the structure of an alpha-particle?

• A bundle of two protons and two neutrons

• A bundle of two protons and two electrons

• A bundle of two neutrons and two electrons

• A bundle of four protons

Write an equation to represent the decay of Uranium-238.

• Thorium → Uranium + Alpha-Particle

• Thorium → Alpha-Particle + Uranium

• Uranium → Alpha-Particle + Thorium

• Uranium → Thorium + Alpha-Particle

What is the nature of a beta-particle?

• A high-speed electron

• A proton

• A helium nucleus

• A neutron

What three quantities are conserved in any Nuclear Reaction?

• Mass, Volume, Density

• Energy, Momentum, Electric Charge

• Mass, Energy, Momentum

• Mass, Momentum, Electric Charge

How did Fermi’s theory of radioactive decay resolve the issue of momentum conservation in beta decay?

• It proposed the existence of another particle, called the neutrino

• It proposed the existence of another particle, called the electron

• It proposed the existence of another particle, called the proton

• It proposed the existence of another particle, called the neutron

What particles were used to split nuclei?

• Electrons

• Neutrons

• Protons

• Positrons

What is meant by Pair Production?

• The creation of a particle and its anti-particle from chemical energy

• The creation of a particle and its anti-particle from gravitational energy

• The creation of a particle and its anti-particle from electromagnetic energy

• The creation of a particle and its anti-particle from nuclear energy

What is the 'Particle Zoo'?

• A term for the classification of particles

• A term for the bewildering array of different particles produced in accelerators

• A zoo with particles as exhibits

• A zoo where particles are studied

What is a Lepton?

• A particle that feels only the Strong Nuclear Force

• A particle that does not feel the Strong Nuclear Force

• A particle that feels the Strong Nuclear Force

• A particle that feels the Weak Nuclear Force