Particles and Their Interactions

Which of the following is not true?

• Each meson consists of a single quark and a single anti-quark

• Each baryon consists of three quarks

• The magnitude of the charge on every quark is 1/3

• A particle consisting of a single quark has not been observed

Which of the following is not made of quarks?

• kaon

• muon

• neutron

• pion

What is the quark structure for an anti-proton?

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• 
• 
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What of the following is a hadron of zero charge?

• neutrino

• photon

• proton

• neutron

Which statement concerning the forces between particles is incorrect?

• Leptons experience the weak interaction.

• Leptons experience the strong interaction.

• Hadrons experience the weak interaction.

• Hadrons experience the strong interaction.

Which of the following statements about muons is incorrect?

• A muon is a lepton.

• A muon has a greater mass than an electron.

• A muon is made up of a quark and an anti-quark

• A muon decays via the weak interaction

Which answer shows the correct interactions experienced by a hadron or a lepton?

• Hadron: Strong = Yes. Weak = Yes

• Lepton: Strong = Yes. Weak = Yes

• Hadron: Strong = Yes. Weak = No

• Lepton: Strong = Yes. Weak = No