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| Q. |
Energy of Ultraviolet rays is great than |
| A. | Infra-red rays |
| B. | Gamma rays |
| C. | X-rays |
| D. | Cosmic rays |
| Answer» A. Infra-red rays | |
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Explanation: The electromagnetic spectrum is the name we use when we talk about different types of radiation as a group. The parts of the electromagnetic spectmm, arranged from highest energy to lowest, are gamma rays, X- rays, ultraviolet light, visible light, infrared light, microwaves, and radio waves. All the parts of the electromagnetic spectrum are the same thing — radiation. Radiation is made up of a stream of photons — particles without mass that move in a wave pattern, all at the same speed — the speed of light. |
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