CIE AS Particle Physics

All of the following are quarks except

• strange

• bottom

• charmed

• spark

Tags

AS.11.2

AS

AS.11

In the standard model, the particle considered to be an elementary particle is a(n)

• proton
• neutron
• electron
• alpha particle

Tags

AS

AS.11

AS.11.2

A proton is made up of two up quarks and one down quark with charges of +2/3, +2/3, and –1/3. 

• True 
• False
• More information is needed

These are the category of hadrons that contain three quarks. This distinguishes them from mesons, which contain two (1 quark and 1 antiquark).

• Gluons

• Electrons

• Leptons

• Baryons

These are the category of hadrons that contain three quarks. This distinguishes them from mesons, which contain two (1 quark and 1 antiquark).

• Gluons

• Electrons

• Leptons

• Baryons

Which quarks form a neutron?

• up, up, down

• down, down, down

• up, up, up

• up, down, down

Under the guidence of Rutherford, what particle did Geiger & Marsden fire at gold foil?

• Neutron

• Alpha

• Proton

• Electron

Almost all of the mass of an atom is found in what part?

• The electron cloud
• The nucleus
• The protons
• The charge

Protons and neutrons are made up of which fundamental particle?

• electrons
• quarks
• nutrinos
• none of the above

Which row gives the correct classification of protons, electrons, and neutrinos?

• A

• B

• C

• D