Static Quiz 14 October 2023
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Static Quiz 14 October 2023 for UPSC Prelims
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- Question 1 of 5
1. Question
You will never see the mid-day Sun exactly overhead on which of the following locations?
1. Latitudes very close to South Pole
2. Any longitude touching North Pole
Which of the above is/are correct?CorrectSolution: a)
Justification: The mid-day sun is exactly overhead at least once a year on all latitudes in between the Tropic of Cancer and the Tropic of Capricorn. This area, therefore, receives the maximum heat and is called the Torrid Zone.
The mid-day sun never shines overhead on any latitude beyond the Tropic of Cancer and the Tropic of Capricorn. The angle of the sun’s rays goes on decreasing towards the poles.Every longitude starts from a pole and meets the other pole. It is latitude that matters in distribution of solar insolation, not the longitude.
IncorrectSolution: a)
Justification: The mid-day sun is exactly overhead at least once a year on all latitudes in between the Tropic of Cancer and the Tropic of Capricorn. This area, therefore, receives the maximum heat and is called the Torrid Zone.
The mid-day sun never shines overhead on any latitude beyond the Tropic of Cancer and the Tropic of Capricorn. The angle of the sun’s rays goes on decreasing towards the poles.Every longitude starts from a pole and meets the other pole. It is latitude that matters in distribution of solar insolation, not the longitude.
- Question 2 of 5
2. Question
Earth’s magnetic field protects us from
CorrectSolution: a)
IncorrectSolution: a)
- Question 3 of 5
3. Question
If the earth starts rotating east to west, which of the following shall be correct?
1. Places West of Greenwich will be behind the Greenwich Time.
2. Places located on the same longitude northwards will be ahead in time than those located southwards.
Which of the above is/are correct?CorrectSolution: d)
Justification:
Statement 1: It is the case presently when earth rotates from west to east. If the opposite happens, places west of Greenwich will be ahead in time and places east will lag behind in time.Statement 2: Time varies across a longitude, not latitude.
IncorrectSolution: d)
Justification:
Statement 1: It is the case presently when earth rotates from west to east. If the opposite happens, places west of Greenwich will be ahead in time and places east will lag behind in time.Statement 2: Time varies across a longitude, not latitude.
- Question 4 of 5
4. Question
Consider the following statements.
1. The Earth’s magnetic field is attributed to a dynamo effect of circulating electric current within earth.
2. Interaction of the terrestrial magnetic field with particles from the solar wind sets up the conditions for the aurora phenomena near the poles.
Which of the above is/are correct?CorrectSolution: C
IncorrectSolution: C
- Question 5 of 5
5. Question
Consider the following statements.
Assertion (A): There is a time difference of nearly two hours between the easternmost and the westernmost parts of our country.
Reason (R): There is a longitudinal variation of nearly 30 degrees, between the easternmost and westernmost parts of the country.
In the context of the above, which of these is correct?CorrectSolution: a)
Justification: There is a difference of nearly 1 hour with a 15 degrees shift in longitude. If a nation has larger longitudinal spread, it is more likely to have greater difference in time. So, the sun sets very early and rises very early in Arunachal Pradesh as compared to say Gujarat, which has led to demands for revision in the national time to save daylight hours in the NE.
IncorrectSolution: a)
Justification: There is a difference of nearly 1 hour with a 15 degrees shift in longitude. If a nation has larger longitudinal spread, it is more likely to have greater difference in time. So, the sun sets very early and rises very early in Arunachal Pradesh as compared to say Gujarat, which has led to demands for revision in the national time to save daylight hours in the NE.
