The specific gravity of the earth as a whole is
| A. | 4.50 |
| B. | 4.65 |
| C. | 5.52 |
| D. | 6.67 |
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Option: C Explanation : Click on Discuss to view users comments. |
Owing to the equatorial bulge and the polar flattening, the polar radius of the earth falls short of the equatorial radius by about
| A. | 22 Km |
| B. | 36 Km |
| C. | 41 Km |
| D. | 53 Km |
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Option: A Explanation : Click on Discuss to view users comments. |
The earth is at the largest distance from the sun (Aphelion) on
| A. | June 21st |
| B. | March 21st |
| C. | July 4th |
| D. | September 23rd |
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Option: C Explanation : Click on Discuss to view users comments. |
On the 21st June, the day light is seen at the North Pole for
| A. | Zero hrs. |
| B. | 12 hrs. |
| C. | 18 hrs. |
| D. | 24 hrs. |
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Option: D Explanation : Click on Discuss to view users comments. |
Which of the following is not an effect produced by rotation of earth?
| A. | It causes days and nights. |
| B. | All heavenly bodies like sun, moon, planets appear to move from East to West. |
| C. | Winds change their directions. |
| D. | Poles have days and nights of 6 months duration. |
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Option: D Explanation : Click on Discuss to view users comments. |
