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Questions and Answers
What is the definition of radiation?
What is the definition of radiation?
- Emission of energy only as moving subatomic particles
- Emission of energy as visible light
- Emission of energy only as electromagnetic waves
- Emission of energy as electromagnetic waves or as moving subatomic particles (correct)
Which of the following is a source of natural background radiation?
Which of the following is a source of natural background radiation?
- Cosmic radiation (correct)
- Microwave ovens
- X-ray machines
- Television sets
What are the means of radiation entry through the body?
What are the means of radiation entry through the body?
- Cosmic radiation, ultraviolet radiation, internal radionuclide
- Cosmic radiation, infrared radiation, internal radionuclide
- Cosmic radiation, terrestrial radiation, internal radionuclide (correct)
- Cosmic radiation, X-ray radiation, microwave radiation
Which of the following is a man-made source of radiation?
Which of the following is a man-made source of radiation?
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What is a steam of particles or electromagnetic waves emitted by atoms and molecules of a radioactive substance as a result of nuclear decay?
What is a steam of particles or electromagnetic waves emitted by atoms and molecules of a radioactive substance as a result of nuclear decay?
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