Introducing bosons and leptons

Which of these is a Boson?

• Strange

• photon

• Proton

• W+

Which of these is a lepton?

• neutrino

• photon

• Proton

• W+

Which 2 of these are leptons?

• Muon neutrino

• Up

• tau

• W+

• W-

Which 2 of these are exchange particles?

• gluon

• muon

• hadron

• Higgs

• tau neutrino

Which of these is a fundamental particle group that all have a lepton number of zero?

• leptons

• Bosons

• neutrinos

• Higgs boson

Which 2 of these correctly describe exchange particles?

• All of them can transfer charge

• They are composed of smaller fundamental particles

• They all have nonzero mass

• They have short lifetimes

• They are all bosons

Which 2 of these correctly describe leptons?

• They all have nonzero lepton numbers

• They all have nonzero charge

• They can be broken down into smaller fundamental particles

• One of them is found in normal atoms

• Protons are composed of leptons

What does the standard model say about gravity?

• That gravity can exchange charge

• nothing

• That gravity is the weakest of the 4 forces

• That gravity does not exist