16. Owing to the equatorial bulge and the polar flattening, the polar radius of the earth falls short of the equatorial radius by about

1. 1. 22 km

   
   
   

   2. 36 km

   
   
   

   3. 41 km

   
   
   

   4. 53 km

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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17. The earth is at the largest distance from the sun (Apehelion) on

1. 1. June 21^st

   
   
   

   2. January 3^rd

   
   
   

   3. July 4^th

   
   
   

   4. September 23^rd

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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18. The earth is at the largest distance from the sun (Perihelion) on

1. 1. December 22^nd

   
   
   

   2. January 3^rd

   
   
   

   3. July 4^th

   
   
   

   4. July 21^st

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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19. What is the International Date Line ?

1. 1. It is the equator

   
   
   

   2. It is the 0° longitude

   
   
   

   3. It is the 90° east longitude

   
   
   

   4. It is the 180° longitude

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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20. 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 ?

1. 1. 8:24 p.m.

   
   
   

   2. 9:12 p.m.

   
   
   

   3. 10:00 p.m.

   
   
   

   4. 11:48 p.m.

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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