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प्रश्न
Differentiate between the following:
Radio waves and light waves.
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उत्तर
| Radio waves | Light waves |
| 1. Radio waves are not visible to hum an eye. | 1. Light waves are visible to human eye. |
| 2. These waves range from 105 to 10-3 meters. | 2. These waves range from 10-6 to 10-7 meters. |
| 3. Frequency of radio waves is below 107 Hz. | 3. Frequency of light waves lie in the range 1014 to 1013 Hz. |
| 4. Its sources are TV and radio transmitters. | 4. Its sources are sunlight, white hot bodies. |
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