Lesson Worksheet: Hadrons Physics • 9th Grade

In this worksheet, we will practice identifying which classes of hadron a given particle belongs to and what the properties of given hadrons are.

Q1:

The diagram shows a hadron made up of a quark and an antiquark. What is the relative charge of the hadron?

  • A−2
  • B0
  • C+2
  • D+1
  • E−1

Q2:

Which of the following is the correct definition of a hadron?

  • AA hadron is any particle that does not interact via the strong nuclear force.
  • BA hadron is a composite particle that is made up of exactly 3 quarks.
  • CA hadron is a composite particle that is made up of 1 quark and 1 antiquark.
  • DA hadron is a composite particle that is made up of 3 or more quarks.
  • EA hadron is a composite particle that is made up of 2 or more quarks.

Q3:

The diagram shows a hadron made up of three quarks. What is the relative charge of the hadron?

  • A−1
  • B+2
  • C+1
  • D−2
  • E0

Q4:

Which of the following is the correct definition of a baryon?

  • AA baryon is a composite particle that is made up of 3 or more quarks.
  • BA baryon is any particle that interacts via the strong nuclear force.
  • CA baryon is a composite particle that is made up of exactly 3 quarks.
  • DA baryon is a composite particle that is made up of 2 or more quarks.
  • EA baryon is a composite particle that is made up of 1 quark and 1 antiquark.

Q5:

Which of the following is the correct definition of a meson?

  • AA meson is a composite particle that is made up of 2 or more quarks.
  • BA meson is a composite particle that is made up of exactly 3 quarks.
  • CA meson is a composite particle that is made up of 1 quark and 1 antiquark.
  • DA meson is a composite particle that is made up of 3 or more quarks.
  • EA meson is any particle that interacts via the strong nuclear force.

Q6:

The diagram shows a hadron made up of three quarks. What is the relative charge of the hadron?

  • A−2
  • B+1
  • C+2
  • D−1
  • E0

Q7:

Which of the following is the correct definition of a hyperon?

  • AA hyperon is any baryon that contains 2 or more strange quarks, but no charm, bottom, or top quarks.
  • BA hyperon is any baryon that contains 1 or more strange or charm quarks, but no bottom or top quarks.
  • CA hyperon is any baryon that contains 1 or more strange, charm, bottom, or top quarks.
  • DA hyperon is any hadron that contains 1 or more strange, charm, bottom, or top quarks.
  • EA hyperon is any baryon that contains 1 or more strange quarks, but no charm, bottom, or top quarks.

Q8:

A 𝐷 is a meson with the composition 𝑐̄𝑑. What is the relative charge of the 𝐷?

  • A0
  • B12
  • C+1
  • D−1
  • E+12

Q9:

Which of the particles shown in the diagram are baryons? The quarks shown in the diagram are colored according to their electric charge.

  • Aa, e, d, and f
  • Ba, b, c, and d
  • Ca, c, e, and f
  • Db, d, e, and f
  • Ea, b, c, and f

Q10:

Which of the following particles are hadrons?

  • 𝜈
  • Λ(𝑢𝑑𝑠)
  • 𝑐
  • ̄𝑡
  • 𝜋(𝑢̄𝑑)
  • 𝑝(𝑢𝑢𝑑)
  • 𝑒
  • A𝜈, Λ, and 𝑐
  • B̄𝑡 and 𝑒
  • CΛ,̄𝑡, and 𝑝
  • DΛ, 𝜋, and 𝑝
  • E𝜋, 𝑐, and 𝑒

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