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Neutron Inelastic Scattering and Natural Sources of Radiation

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Neutron Inelastic Scattering and Natural Sources of Radiation

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Questions and Answers

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?

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?

Microwave ovens

Mobile phones

Sunlight

Medical X-rays for disease diagnosis (correct)

What are the two components emitted during inelastic scattering events?

Neutron and gamma ray Signup and view all the answers

How do charged particles from the sun and stars interact with the Earth's atmosphere?

They interact to produce a shower of cosmic radiation Signup and view all the answers

Which of the following radioactive isotopes is used in nuclear medicine for therapy of cancer?

Technetium-99 Signup and view all the answers

What percentage of the average annual radiation dose to a member of the general population comes from natural sources?

82% Signup and view all the answers

What are examples of consumer products that may contain radioactive materials?

Televisions and smoke detectors Signup and view all the answers

Where do some workers get exposed to artificial sources of radiation according to the text?

Nuclear plants and X-ray machines Signup and view all the answers

What is a source of residual fallout from nuclear weapons testing, shipment, and accidents?

Nuclear weapons testing sites Signup and view all the answers