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Questions and Answers
What is the relative charge of alpha particles?
What is the relative charge of alpha particles?
- 0
- -1
- +2 (correct)
- +1
Which type of radiation is not deflected by magnetic or electric fields?
Which type of radiation is not deflected by magnetic or electric fields?
- Gamma rays (correct)
- All types of radiation
- Alpha particles
- Beta particles
Which radiation type is stopped by a thick sheet of paper?
Which radiation type is stopped by a thick sheet of paper?
- Gamma rays
- Beta particles
- All types of radiation
- Alpha particles (correct)
What is the ionizing effect of gamma rays compared to beta particles?
What is the ionizing effect of gamma rays compared to beta particles?
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Which radiation type has a penetrating effect that is stopped by a few millimeters of aluminum?
Which radiation type has a penetrating effect that is stopped by a few millimeters of aluminum?
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Study Notes
Types of Radiation
- Alpha Particles (α) have a relative charge of +2 and exhibit a strong ionizing effect, but are not very penetrating, stopped by a thick sheet of paper, skin, or a few centimeters of air.
- Alpha Particles are deflected by magnetic and electric fields.
Beta Particles
- Beta Particles (β) have a relative charge of -1 and exhibit a weak ionizing effect, but are penetrating, stopped by a few millimeters of aluminum or other metal.
- Beta Particles are deflected by magnetic and electric fields.
Gamma Rays
- Gamma Rays (γ) have no charge and exhibit a very weak ionizing effect, but are highly penetrating, never completely stopped, though lead and thick concrete will reduce intensity.
- Gamma Rays are not deflected by magnetic or electric fields.
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Description
Learn about the properties and effects of alpha, beta, and gamma radiation, including their relative charges, ionizing and penetrating powers, and responses to magnetic and electric fields.
