16. Which of the following is not a proof of sphericity of the earth a. Circumna
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16. Which of the following is not a proof of sphericity of the earth a. Circumnavigation of the earth b. Seasons c. Space photographs d. Ship's visibility 23. When do regions north of the Arctic Circle experience 24 hours of daylight? a. winter solstice b. summer solstice c. spring equinox d. autumnal equinox 24. One degree of latitude is approximately how many kilometers in distance? a. 100 b. 120 c. 111 d. 122 17. It is Autumnal Equinox for the Southern Hemisphere on or around a. 23 September b. 22 December C. 21 June d. 21 March 25. When it is 9:00 a.m. in San Francisco, it is in Miami, Florida. (please calculate 18. It is winter solstice for the northern hemisphere on or around a. 21 January b. 22 December c. 21 March d. 21 June times for Denver, Colorado, Chicago, Illinois and Honolulu, Hawaii as well) a. 12:00 noon b. 300 p.m. c. 10:00 a.m. d. 8:00 a.m. Please note that for this sum the time given in the test may change to learn about the time difference.) 26. The Earth's equatorial diameter is slightly larger than the polar diameter a. True b. False 19. It is winter solstice for the southern hemisphere on or around a. 21 June b. 22 December c. 21 March d. 23 September 27. In a polar projection, the meridians are shown parallel to each other a. True b. False 28. One hundred eighty degrees of latitude and 360 degrees of longitude geographically cover the entire Earth a. True b. False 20. Which of these is true about equinox a.Spring equinox occurs in Northern Hemisphere on 23 September b. During equinox nights are longer than days c. On equinox sun shines directly on the Equator d.On equinox the sun shines on the Tropic of 29. The Earth's rotation is the annual journey around the Sun and gives us the calendar year a. True b. False 21. The boundary between the half of the Earth in sunlight and the half of the Earth in darkness is the 30. Theoretically, the Earth is divided into 24, 15- degree-wide time zones a. True b. False a. solar zenith b. International Date Line c. plane of the ecliptic d. circle of illumination 31. Which of these is not a proof of earth's sphericity a. sunrise and sunset b. lunar eclipse c. traffic 22. How many degrees separate the central meridians that each time zone is based on? a. 1 degree b. 5 degrees c. 10 degrees d. 15 degrees congestion d. space photograph 32. What does GIS stand for? a. Geographic Interface Systems b. Geographic Information System c. Geographical Intelligence System d. Giraffe Information ServiceExplanation / Answer
16-a ( visibility upto some distance and beyond that nothing is visible which is due to the curvature of the earth)
17- d (21 March) while in northern hemisphere it is 23 september)
18- b (22 December)
19- a (21 June)
20- c ( on equinox sun shines directly on the equator) day and night are of the same length
21- d (circle of illumination)
22- d (15 degrees) since earth rotates 360 degrees in 24 hours so in one hour it rotates 360/24=15 degrees
23- b (summer solstice)
24- c (111)
25- a (12 noon) since it is 3 hours ahead in Miami from San Fransisco. In Denver, Colorado, Chicago it will be 10 am. In Chicago and illinois it will be 11 am and in Honolulu, Hawaii it will be 6 am.
26- a(true) almost 42 km larger than polar diameter
27- b (false) in polar projection meridians are straight lines radiating from the pole
28- a(true) 90 degrees latitude in each hemisphere so total is 180 degrees and 390 degrees longitude
29- b(false) earth's rotation gives the day, its revolution around the sum gives a year
30- a(true)
31- c(traffic congestion)
32- b(geographic information system)
33- a(graphic)
34- c(fractional)
35- c(fractional)
36- b(small scale map)
37- b(large scale map)
38- d(all of the above)
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