Pronunciation of the English word electromagnetic.
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1. | An infrared ray is electromagnetic radiation. | |
2. | Sound needs matter to propagate through. However, cosmic noise and electromagnetic waves don't. | |
3. | By looking at an object's electromagnetic spectrum, scientists can determine if an object is moving away from Earth or towards Earth. | |
4. | Chandra records observations of the universe in the high-energy end of the electromagnetic spectrum. | |
5. | The human eye is blind to nearly the entire electromagnetic spectrum, except for the very narrow range of light that falls in what we call the visible range. | |
6. | Infrared radiation, visible light, and ultraviolet light are all types of waves in the electromagnetic spectrum. | |
7. | In the U.S., the Federal Communications Commission (FCC) allocates portions of the electromagnetic spectrum used for communications to various users. | |
8. | Software-defined radios like cognitive radio use artificial intelligence to employ underutilized portions of the electromagnetic spectrum without human intervention. | |
9. | Unless an object has a temperature of absolute zero (−273 °C) it reflects, absorbs, and emits energy—called electromagnetic radiation—in ways that depend on its physical and chemical properties. | |
10. | The amount of electromagnetic radiation an object emits depends primarily on its temperature. |