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The light - 30 two stars can be and still be separated 31(2...

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1. FIRST ANSWER IS THE CORRECT ANSWER 1. The light-gathering power of a telescope 2. (1) gets better as the diameter increases 3. (2) gets better as the focal length increases 4. (3) Gets worse as the focal length increases 5. (4) NVA 6. (5) NVA 7. 8. 9. 10. The theoretical (diffraction-limited) resolution of a telescope 11. (1) gets worse as the wavelength increases 12. (2) improves as the wavelength increases 13. (3) is independent of the wavelength 14. (4) NVA 15. (5) NVA 16. 17. 18. 19. The theoretical (diffraction-limited) resolution of a telescope 20. (1) improves as the diameter increases 21. (2) gets worse as the diameter increases 22. (3) is independent of the diameter 23. (4) NVA 24. (5) NVA 25. 26. 27. 28. The term resolution for a telescope refers to 29. (1) the sharpness of the detail that can be seen in the image (how close together
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Unformatted text preview: 30. two stars can be and still be separated) 31. (2) the faintest stars that can be imaged with it 32. (3) how steady the telescope is when pointed at a star 33. (4) NVA 34. (5) NVA 35. 36. 37. 38. Astronomers use the phrase "atmospheric 'seeing'" to refer to which of the 39. following? 40. (1) the blurring of images because of moving blobs of air 41. (2) stray light coming from nighttime signs and billboards, street lights, etc. 42. (3) cloudiness associated with weather 43. (4) NVA 44. (5) NVA 45. 46. 47. 48. Earth's atmosphere is least transparent in which of the following regions of 49. the electromagnetic spectrum? 50. (1) gamma ray 51. (2) radio waves 52. (3) infrared 53. (4) NVA 54. (5) NVA 55....
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