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Questions and Answers
What is the speed of propagation of electromagnetic waves in free space?
What is the speed of propagation of electromagnetic waves in free space?
- 299.2 m/s
- 3,792,458 m/s
- 299,792,458 m/s (correct)
- 29,792,458 m/s
In what manner are electric and magnetic fields oriented in an electromagnetic wave as it propagates through space?
In what manner are electric and magnetic fields oriented in an electromagnetic wave as it propagates through space?
- Parallel to each other and parallel to the direction of travel of the wave
- Perpendicular to each other and to the direction of travel of the wave (correct)
- Parallel to each other and perpendicular to the direction of travel of the wave
- Perpendicular to each other but parallel to the direction of travel of the wave
Which organization is responsible for non-ionizing radiation protection standards?
Which organization is responsible for non-ionizing radiation protection standards?
- NASA
- ICNIRP (correct)
- IRPA
- UNESCO
What is the difference between the highest and lowest frequencies contained in information known as?
What is the difference between the highest and lowest frequencies contained in information known as?
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What is the unit of length equal to 1/1000 mm?
What is the unit of length equal to 1/1000 mm?
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Which unit represents 10-9 meters?
Which unit represents 10-9 meters?
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What is the abbreviation for International Radiation Protection Association?
What is the abbreviation for International Radiation Protection Association?
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Which type of radiation has not been found to cause cancer according to the text?
Which type of radiation has not been found to cause cancer according to the text?
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According to ICNIRP, what does ICNIRP stand for?
According to ICNIRP, what does ICNIRP stand for?
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