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Inelastic Scattering in Radiation

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Questions and Answers

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

15%

25%

82%

18% (correct)

Which of the following is a man-made source of radiation exposure mentioned in the text?

Cosmic rays

Medical X-ray (correct)

Internal sources

Radon

Which type of isotopes are used in nuclear medicine for therapy of cancer according to the text?

Technetium-99 (correct)

Uranium-235

Thorium-232

Lead-208

Which of the following is NOT mentioned as a consumer product that can expose individuals to radiation?

Sunscreen (C) Signup and view all the answers

What is one example of occupational exposure to artificial sources of radiation mentioned in the text?

X-ray machines in airport security (A) Signup and view all the answers

What is the main difference between elastic and inelastic scattering events?

Inelastic scattering results in emission of a gamma ray and a less energetic neutron. (B) Signup and view all the answers

Which statement best describes cosmic radiation exposure at higher elevations?

Higher elevations result in more exposure to cosmic rays due to reduced atmospheric shielding. (A) Signup and view all the answers

What is a common example of public exposure to radiation as mentioned in the text?

Exposure from medical X-rays (C) Signup and view all the answers

How do man-made sources of radiation differ from natural sources?

Man-made sources have been added to natural sources in the last century. (A) Signup and view all the answers

Why does the exposure to cosmic rays increase at higher elevations?

Reduced atmospheric shielding at higher elevations leads to increased cosmic ray exposure. (B) Signup and view all the answers