ELECTROMAGNETIC RADIATION EXAM 2025 QUESTIONS AND ANSWERS

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ELECTROMAGNETIC RADIATION EXAM 2025 QUESTIONS AND ANSWERS

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Institution ELECTROMAGNETIC RADIATION

Course ELECTROMAGNETIC RADIATION

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The range of wavelengths of electromagnetic radiation that the human eye detects. (ROY G BIV) - ANS visible spectrum Higher energy radiation just outside the visible spectrum. Causes sunburn and may make some materials fluoresce. - ANS ultra-violet radiation Lower energy radiation just outside the visible spectrum. Objects emit this kind of radiation based on their temperature. - ANS infrared radiation The distance between one point of a wave and the next identical point on the wave. - ANS wavelength A measurement of the number of waves that pass a given point in a certain amount of time. It depends on the speed of t

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ELECTROMAGNETIC RADIATION
EXAM 2025 QUESTIONS AND ANSWERS

The range of wavelengths of electromagnetic radiation that the human eye detects. (ROY G BIV)
- ANS visible spectrum

Higher energy radiation just outside the visible spectrum. Causes sunburn and may make some
materials fluoresce. - ANS ultra-violet radiation

Lower energy radiation just outside the visible spectrum. Objects emit this kind of radiation
based on their temperature. - ANS infrared radiation

The distance between one point of a wave and the next identical point on the wave. -
ANS wavelength

A measurement of the number of waves that pass a given point in a certain amount of time. It
depends on the speed of the wave and the wavelength. - ANS frequency

Another measurement of a waves energy. It is the height of a wave or half the distance from
crest to trough. - ANS amplitude

Very high energy (short wavelength) electromagnetic radiation. They pass through flesh and are
used to make images of bones. - ANS X-rays

The longest wavelength electromagnetic radiation. They are used mostly for communication or
by astronomers studying outer space. - ANS radio waves
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