Particles and Antiparticles
Authored by Stanton Wertjes
Physics
11th Grade
NGSS covered
Used 23+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which equation shows the process of annihilation?
π− + π → γ
β− + p → γ
γ + γ → β+ + β−
Tags
NGSS.HS-PS1-8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an antiparticle? Choose the best definition.
Dark matter
Potato matter
A particle with opposing charge but the same mass and spin as its opposite particle
A cross between a lepton and a quark
A Particle with no charge with negative mass and opposite spin, containing dark matter and effectively being the opposite of that said particle.
3.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
The _ _ _ _ _ _ is the carrier of the electromagnetic force.
(a)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fluoride ions are produced by the addition of a single electron to an atom of fluorine 199F
What is the magnitude of specific charge of the fluoride ion?
3.2 × 10–26 C kg–1
8.4 × 10–21 C kg–1
5.0 × 106 C kg–1
4.5 × 107 C kg–1
Tags
NGSS.HS-PS2-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a nucleus of the radioactive isotope 6528Ni decays, a β– particle and an electron antineutrino are emitted.
How many protons and neutrons are there in the resulting daughter nucleus?
Number of protons: 28
Number of neutrons: 65
Number of protons: 29
Number of neutrons: 65
Number of protons: 28
Number of neutrons: 36
Number of protons: 30
Number of neutrons: 35
Tags
NGSS.HS-PS1-8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An atom of 167N gains 3 electrons.
What is the specific charge of the ion?
1.80 × 107 C kg–1
–1.80 × 107 C kg–1
4.19 × 107 C kg–1
–4.19 × 107 C kg–1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Electrons moving in a beam have the same de Broglie wavelength as protons in a separate beam moving at a speed of 2.8 × 104 m s–1.
What is the speed of the electrons?
1.5 × 101 m s–1
2.8 × 104 m s–1
1.2 × 106 m s–1
5.1 × 107 m s–1
Tags
NGSS.HS-PS4-1
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