InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the direction of the rotation of the earth? |
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Answer» The direction of the rotation of the earth is from west to east. |
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| 2. |
The apparent movement of the sun from east to west is a result of what? |
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Answer» The apparent movement of the sun from east to west is a result of the rotation of the earth from west to east. |
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| 3. |
At which longitude does the date change? |
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Answer» The date changes at 1800 longitude. |
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| 4. |
How much time does the earth take to complete one rotation? |
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Answer» The earth takes nearly 24 hours to complete one rotation. |
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| 5. |
There are …………. time zones in the world. (a) 360 (b) 24(c) 100 (d) 365 |
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Answer» Correct option is (b) 24 |
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| 6. |
In present tunes, what are the instruments used for time measurement? |
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Answer» In present times, the instruments like watches, calendars, etc. are used for time measurement. |
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| 7. |
How was the time measured in olden days? |
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Answer» In olden days, the time was measured with the help of the natural events of sunrise and sunset and the instruments like Ghatikapaatra, sand timer, etc. |
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| 8. |
Mashad, a town in Iran, is located on the 60° E longitude. When it is 12 noon at Greenwich, calculate the local time of Mashad town. |
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Answer» 1. Statement: As we move towards the east of the Prime Meridian, the local time increases by four minutes for every longitude. (Mashad is located to the east of Greenwich.) 2. The difference between the longitudes of Greenwich and Mashad = 60°. 3. Difference in local time = 60 × 4 = 240 minutes. = 240 minutes ÷ 60 minutes = 4 hours. 4. Therefore, when it is noon at Greenwich, it would be 4 p.m. at Mashad. (Ahead of Greenwich Mean Time by 4 hours.) |
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| 9. |
How many longitudes pass the sun in one hour? |
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Answer» 15 longitudes pass the sun in one hour. |
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| 10. |
What is the maximum number of local times that can there be in the world? |
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Answer» The maximum number of local times that can be there in the world is 360. |
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| 11. |
What is meant by the local time of a place? |
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Answer» When the sun is directly overhead at a particular place, it is considered as noon at that place and that time is considered as a local time of that place. |
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| 12. |
Select any one longitude. Calculate the local time of the longitudes lying 1° to the west and east of this longitude. |
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Answer» 1. The selected longitude: 60° E. The local time of the selected longitude is 4 p.m. 2. The local time of the longitude lying 1° to the west of the selected longitude (59° E) will be 3.56 p.m. 3. The local time of the longitude lying 1° to the east of the selected longitude (61° E) will be 4.04 p.m. |
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