Definitions Quiz
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Physics
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Ralph Fleming
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Define Half-life
The time taken for the activity to reduce to one-half of the initial value
The time taken for the number of atoms to reduce to one half of the initial value
The time taken for the half the number of radioactive nuclei, to reduce to one half of the initial value.
The time taken for a radioactive nuclei, to reduce to one half of the initial value.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define Activity
The rate of decay of a sample of radioactive nuclei
The rate of decrease of radioactive atoms
The rate of decrease of the number of radioactive atoms
The rate of decay of a single radioactive nucleus
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define Hadron
Particles consisting of quarks only
Particles consisting of quarks or antiquarks
Particles consisting of leptons
Particles consisting of Mesons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An electron is an example of a lepton. What categorizes a particle as being a lepton?
Leptons are not influenced by the strong force (no strong interactions).
Leptons are not influenced by electromagnetic force (no E&M interactions).
Leptons are not influenced by the weak force.
Leptons are made of quarks.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Baryon?
A hadron consisting of a quark-antiquark pair
A hadron consisting of 3 quarks
A hadron of any quark combination that feels the strong force
An anti-Lepton
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Meson?
A hadron consisting of a quark-antiquark pair
A hadron consisting of 3 quarks
A hadron of any quark combination that feels the strong force
An anti-Lepton
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define the atomic mass unit, u
Exactly one twelfth of the mass of one atom of Carbon-12
The mass of one mole of Carbon-12 divided by Avogadro's number
Exactly one twelfth of the mass of one mole of Carbon-12
The mass of 12g of Carbon-12 divided by Avogadro's number
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