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10 Cards in this Set
- Front
- Back
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Electromagnetic waves sometimes referred to as "heat rays" |
Infrared waves |
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Low-frequency electromagnetic waves widely used for communications |
Radio waves |
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High-frequency electromagnetic waves used in medicine |
X-rays |
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Electromagnetic waves used for cooking, satellite communications,and radar |
Microwaves |
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Most powerful and penetrating electromagnetic waves |
Gamma rays |
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The German physicist who showed that the energy of any electromagnetic wave is directly related to its frequency was ____. |
Max Planck |
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An arrangement of all forms of electromagnetic radiation in order of frequency and wavelength is known as the electromagnetic _____. |
Spectrum |
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Light that consists of only one frequency is ____. |
Monochromatic |
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The electromagnetic radiation with a frequency slightly higher than that of visible light is _____ radiation. |
Ultraviolet (or UV) |
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A device that uses reflected radio waves or microwaves to measure the distance and direction of far away objects is ____. |
Radar |
