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| 1. | Range of Frequency below 20 Hertz |
| 2. | Magnetism at the Centre of the Bar Magnet |
| 3. | Shadows are never completely dark because of this phenomenon |
| 4. | When an input signal reduces the channel size in an FET, the process is called this |
| 6. | Effective Atmosphere of the Sun |
| 7. | Rotating Neutron Star |
| 8. | Nuclear Sizes are expressed in these units |
| 9. | This person postulated the existence of magnetic monopoles |
| 10. | "Gravitationally completely collapsed" object is more commonly called this (2 Words) |
| 12. | Materials for Raincoats and tents owe their water-proof properties to this phenomenon (2 Words) |
| 15. | This type of signal is represented by discrete values |
| 17. | Stars that appear single to the naked eye but are actually double when seen through a telescope |
| 19. | The electron-volt is a measure of this quantity |
| 20. | These celestial bodies are powerful sources of radio waves |