Electromagnetic Radiation Test Questions with Verified Answers

Electromagnetic Radiation Test Questions
with Verified 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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