A proton consists of two up quarks and a down quark - Scottish Highers Physics - Question 12 - 2022
Question 12
A proton consists of two up quarks and a down quark.
A student makes the following statements about protons:
I Protons are baryons.
II Protons are hadrons.
III Pro... show full transcript
Worked Solution & Example Answer:A proton consists of two up quarks and a down quark - Scottish Highers Physics - Question 12 - 2022
Step 1
I Protons are baryons.
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Answer
True. Protons are classified as baryons because they are composed of three quarks (two up quarks and one down quark) and baryons are defined as particles made from three quarks.
Step 2
II Protons are hadrons.
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Answer
True. Protons are also classified as hadrons, which are particles made of quarks. Since protons are made of quarks, this statement is correct.
Step 3
III Protons are fermions.
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Answer
True. Protons are fermions because they have half-integer spin (specifically, spin-1/2). All particles that follow Fermi-Dirac statistics and follow the Pauli exclusion principle are considered fermions.
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