41. Which of the following is the best definition of 'Tides' ?
42. Which of the following are true regarding the Prime meridian?
1. It passes through the centre of a certain country
2. It passes through the centre of the Globe
3. It passes through the observatory at Greenwich, near London.
1. It passes through the centre of a certain country
2. It passes through the centre of the Globe
3. It passes through the observatory at Greenwich, near London.
43. If there are four places on the same meridian 500 km apart and the local time at one place is 12.00 noon, what will be the time at the three other places?
44. Assume that the moon takes exactly 30 days to complete the cycle and also assume that it rises in the east exactly at 6.48 p.m., on the first day. On the fourth day, at what time will it rise?
45. One day in Mumbai a tide occurs at 8.00 A.M. The next day it will occur at ________
46. Consider the following statements: While it is 6.30 AM (Sunday) in London, it is around
1. 2.30 AM (Sunday) in Honolulu (Hawaii)
2. 8.30 PM (Saturday) in Honolulu (Hawaii)
3. 3.30 PM (Sunday) in Tokyo
4. 1.30 AM (Sunday) in Tokyo
Which of these statements is/are correct?
1. 2.30 AM (Sunday) in Honolulu (Hawaii)
2. 8.30 PM (Saturday) in Honolulu (Hawaii)
3. 3.30 PM (Sunday) in Tokyo
4. 1.30 AM (Sunday) in Tokyo
Which of these statements is/are correct?
47. Which of the following pairs of metals are supposed to constitute the internal core of the earth?
48. Which of the following statements regarding the earth's axis are true?
1. It makes an angle of 23.5o with the plane of ecliptic
2. It maintains a flexible orientation with respect to the stars
3. It is the most important fact connected with Earth-Sun relationship
1. It makes an angle of 23.5o with the plane of ecliptic
2. It maintains a flexible orientation with respect to the stars
3. It is the most important fact connected with Earth-Sun relationship
49. On which day, Earth is closest to the Sun?
50. On December 22, the sun:
1. is not visible at north pole
2. is only visible for a few minutes at the Antarctic Circle
3. rises south of east and sets south of west at the Tropic of Cancer
4. rises south of east and set south of west at the equator
1. is not visible at north pole
2. is only visible for a few minutes at the Antarctic Circle
3. rises south of east and sets south of west at the Tropic of Cancer
4. rises south of east and set south of west at the equator
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