At the core of the earth the temperature estimated to be around
| A. | 100oC |
| B. | 1200oC |
| C. | 2000oC |
| D. | 2600oC |
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Option: C Explanation : Click on Discuss to view users comments. |
Consider a specific point on the surface of the earth (say, Delhi) The temperature at a given time of day (say, 12.00 Noon) will in general be higher in summer than in winter. This because
| A. | the evaporation of water from atmosphere results in precipitation occurring in winter alone |
| B. | Sun rays falling on thel earth are inclined more towards the sun in winter |
| C. | the earth is closer to the sun in summer than in winter |
| D. | the axis of the earth is inclined more towards the Sun in winter |
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Option: B Explanation : Click on Discuss to view users comments. |
The earth rotates on its axis and the exact time needed for one complete rotation is
| A. | ,23 hours, 56 minutes, 4.09 seconds |
| B. | 23 hours. 58 minutes. 29.5 seconds |
| C. | 23 hours, 59 minutes, 7.5 seconds, |
| D. | 23 hours. 59 minutes, ,18 seconds |
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Option: A Explanation : Click on Discuss to view users comments. |
