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Consider the following statements. 
1. In deserts, rocks are exposed to the blazing sun during the day and are intensely heated 
2. The outer layers expand much faster than the cooler interior of the rocks and tend to pull away from the rest 
3. At nightfall the temperature drops rapidly, and the outer layers contract more rapidly than the interior, setting up internal stresses
Which of these statements is/are correct?
In deserts, rocks are exposed to the blazing sun during the day and are intensely heated 
  • The outer layers expand much faster than the cooler interior of the rocks and tend to pull away from the rest 
  • At nightfall, the temperature drops rapidly, and the outer layers contract more rapidly than the interior, setting up internal stresses
  • a)
    1 and 2 only
  • b)
    2 and 3 only
  • c)
    1 and 3 only
  • d)
    All of them
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements.1. In deserts, rocks are exposed to ...
Explanation:

In deserts, rocks are exposed to the blazing sun during the day and are intensely heated:
- This statement is correct as deserts are known for their extreme temperatures, with rocks being exposed to intense heat during the day.

The outer layers expand much faster than the cooler interior of the rocks and tend to pull away from the rest:
- This statement is also correct because when rocks are heated, the outer layers expand at a faster rate compared to the cooler interior, leading to the outer layers pulling away from the rest of the rock.

At nightfall, the temperature drops rapidly, and the outer layers contract more rapidly than the interior, setting up internal stresses:
- This statement is accurate as well. When the temperature drops rapidly at night, the outer layers of the rocks contract more quickly than the interior, creating internal stresses within the rock.

Conclusion:
All three statements are correct and contribute to the understanding of how rocks in deserts experience significant temperature fluctuations, leading to expansion and contraction, which can ultimately result in internal stresses within the rocks.
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Consider the following statements.1. In deserts, rocks are exposed to the blazing sun during the day and are intensely heated2. The outer layers expand much faster than the cooler interior of the rocks and tend to pull away from the rest3. At nightfall the temperature drops rapidly, and the outer layers contract more rapidly than the interior, setting up internal stressesWhich of these statements is/are correct?In deserts, rocks are exposed to the blazing sun during the day and are intensely heated The outer layers expand much faster than the cooler interior of the rocks and tend to pull away from the rest At nightfall, the temperature drops rapidly, and the outer layers contract more rapidly than the interior, setting up internal stresses a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)All of themCorrect answer is option 'D'. Can you explain this answer?
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Consider the following statements.1. In deserts, rocks are exposed to the blazing sun during the day and are intensely heated2. The outer layers expand much faster than the cooler interior of the rocks and tend to pull away from the rest3. At nightfall the temperature drops rapidly, and the outer layers contract more rapidly than the interior, setting up internal stressesWhich of these statements is/are correct?In deserts, rocks are exposed to the blazing sun during the day and are intensely heated The outer layers expand much faster than the cooler interior of the rocks and tend to pull away from the rest At nightfall, the temperature drops rapidly, and the outer layers contract more rapidly than the interior, setting up internal stresses a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)All of themCorrect answer is option 'D'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements.1. In deserts, rocks are exposed to the blazing sun during the day and are intensely heated2. The outer layers expand much faster than the cooler interior of the rocks and tend to pull away from the rest3. At nightfall the temperature drops rapidly, and the outer layers contract more rapidly than the interior, setting up internal stressesWhich of these statements is/are correct?In deserts, rocks are exposed to the blazing sun during the day and are intensely heated The outer layers expand much faster than the cooler interior of the rocks and tend to pull away from the rest At nightfall, the temperature drops rapidly, and the outer layers contract more rapidly than the interior, setting up internal stresses a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)All of themCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements.1. In deserts, rocks are exposed to the blazing sun during the day and are intensely heated2. The outer layers expand much faster than the cooler interior of the rocks and tend to pull away from the rest3. At nightfall the temperature drops rapidly, and the outer layers contract more rapidly than the interior, setting up internal stressesWhich of these statements is/are correct?In deserts, rocks are exposed to the blazing sun during the day and are intensely heated The outer layers expand much faster than the cooler interior of the rocks and tend to pull away from the rest At nightfall, the temperature drops rapidly, and the outer layers contract more rapidly than the interior, setting up internal stresses a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)All of themCorrect answer is option 'D'. Can you explain this answer?.
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