#41
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http://www.cssforum.com.pk/css-compu...-sciences.html The answer is at the end of the post I have tried to find an external link for the answer The same question appears in the Geography Quiz Book by Anuj Goswami (Que No. 1541) Unfortunately, some pages are omitted from the preview so we cannot see the answer. Maybe some senior member can help you with the external reference to the correct answer Regards |
#42
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@Mohsin
Quote:
Quote:
this question is more of a commen sence rather of guessing.moon is much smaller than earth. The penumbra and umbra formed by moon is also small because of the small size of moon in comparison to that of formed by earth in case of lunar eclipse where total lunar eclipse is possible. hope the issue is resolved rgds |
The Following User Says Thank You to dr.atifrana For This Useful Post: | ||
Viceroy (Friday, May 15, 2009) |
#43
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Thank you Dr Atif
@ All Please see the following link for 2009 EDS Answer Key (Objective Part) http://www.cssforum.com.pk/css-compu...ds-2009-a.html Regards
__________________
When you have to shoot, shoot. Don't talk. ~ The Good, The Bad, and the Ugly |
#45
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Yes, the correct answer is d. Area of the sun covered by the moon Because the moon is too small to cover the area of sun. Quoted from NASA Website "Were Earth's Moon farther away, no total eclipse would occur at all because the Moon would appear too small to block out all of the Sun. Were the Moon much closer to the Earth, the eclipse would last much longer." http://apod.nasa.gov/apod/ap980311.html |
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Viceroy (Friday, May 15, 2009) |
#46
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this article only says about the distance between earth and moon.If the moon is closer to earth there will be more solar eclipse.If the moon is farther from the earth there would be less solar eclipse.The size of the earth also matters.lets assume the earth is smaller than moon, than there will ofcourse be total solar eclipse
on the other hand if we assume that the sun is smaller then the moon, than there may be the possibility of total solar eclipse. But I reached at a conclusion that the distance of moon frm earth is more important. and both the answers a and d may be correct. rgds |
#47
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Quote:
Its good, you admit in your post that d. Area of the sun covered by the moon is the correct answer. If assumed, sun is smaller than moon means moon is bigger than sun means moon than cover the whole sun and formed the total solar eclipse. hence d is the correct answer. |
#48
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Answer
21 : which of the following is most elastic ?
Answer : Rubber how can we say that steel is more elastic in nature :S ?? 40 : sedimentary rocks are ? Answer : porous |
#49
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Young's Modulus Young's modulus (E) is a measure of the stiffness of an isotropic elastic material. It is also known as the Young modulus, modulus of elasticity, elastic modulus For Rubber: 0.01-0.1 GPa For Steel: 200 GPa Elasticity It is the physical property of a material when it deforms under stress (e.g. external forces), but returns to its original shape when the stress is removed. The relative amount of deformation is called the strain.
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When you have to shoot, shoot. Don't talk. ~ The Good, The Bad, and the Ugly |
#50
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Sory here is answer key
1. d 2. b 3. c 4. c 5. c 6. b 7. 8. a 9. 10. d 11. c 12. c 13. d 14. a 15. b 16. c 17. b 18. e 19. c 20. c 21. a 22. a 23. 24. c 25. c 26. b 27. a 28. b 29. d 30. d 31. a 32. c 33. d 34. a 35. c 36. c 37. b 38. b 39. b 40. a 41. c 42. b 43. 44. c 45. b 46. a 47. c 48. c 49. d 50. a |
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