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| Q. |
The scientist who first sent electromagnetic waves to distant places is – |
| A. | James Clerk Maxwell |
| B. | Heinrich Hertz |
| C. | Thomas Alva Edison |
| D. | John Logie Baird |
| Answer» C. Thomas Alva Edison | |
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Explanation: Radio is the transmission of single through free space by electromagnetic radiation of a frequency significantly below that of visible light, in the radio frequency range, from about 30 kHz to 300 GHz. Those waves are called radio waves. |
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