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Questions and Answers
Why is the exposure of an individual to cosmic rays greater at higher elevations?
Why is the exposure of an individual to cosmic rays greater at higher elevations?
- Because higher elevations have less atmosphere shielding (correct)
- Because cosmic rays are deflected by the earth's magnetic field
- Because cosmic rays are less intense at high altitudes
- Because cosmic rays are absorbed by the atmosphere
What happens during inelastic scattering events?
What happens during inelastic scattering events?
- Neutrons transform into protons
- Neutrons collide with each other
- Neutrons pass through the target nucleus unaffected
- Neutrons are absorbed by the target nucleus and a gamma ray is emitted (correct)
What is a common source of artificial radiation exposure for the majority of people?
What is a common source of artificial radiation exposure for the majority of people?
- Microwave ovens
- Mobile phones
- Sunlight
- Medical X-rays for disease diagnosis (correct)
What are the two components emitted during inelastic scattering events?
What are the two components emitted during inelastic scattering events?
How do charged particles from the sun and stars interact with the Earth's atmosphere?
How do charged particles from the sun and stars interact with the Earth's atmosphere?
Which of the following radioactive isotopes is used in nuclear medicine for therapy of cancer?
Which of the following radioactive isotopes is used in nuclear medicine for therapy of cancer?
What percentage of the average annual radiation dose to a member of the general population comes from natural sources?
What percentage of the average annual radiation dose to a member of the general population comes from natural sources?
What are examples of consumer products that may contain radioactive materials?
What are examples of consumer products that may contain radioactive materials?
Where do some workers get exposed to artificial sources of radiation according to the text?
Where do some workers get exposed to artificial sources of radiation according to the text?
What is a source of residual fallout from nuclear weapons testing, shipment, and accidents?
What is a source of residual fallout from nuclear weapons testing, shipment, and accidents?
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