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In the context of wind flow, which of the following assertions is/are true?
1. In winter, the wind flows from the land to the ocean.
2. In summers, the wind flows from the oceans towards the land.
3. The winds from the oceans carry water vapour and bring rain. It is a part of the water cycle.
Use the code given below to select the correct answer :
- a)1 and 2 Only
- b)1 and 3 Only
- c)3 only
- d)1, 2 and 3
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
In the context of wind flow, which of the following assertions is/are...
- In summer, near the equator the land warms up faster and most of the time the temperature of the land is higher than that of water in the oceans. The air over the land gets heated and rises.
- This causes the winds to flow from the oceans towards the land. These are monsoon winds. In winter, the direction of the wind flow gets reversed; it flows from the land to the ocean.The winds from the oceans carry water and bring rain. It is a part of the water cycle. The monsoon winds carry water and it rains.
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In the context of wind flow, which of the following assertions is/are...
Assertion 1: In winter, the wind flows from the land to the ocean.
In winter, there is a phenomenon known as land breeze. During the day, the land heats up faster than the ocean, creating a temperature difference between the two. This temperature difference leads to the formation of high pressure over the land and low pressure over the ocean. As air flows from high pressure to low pressure areas, the wind blows from the land to the ocean in winter. Therefore, assertion 1 is true.
Assertion 2: In summers, the wind flows from the oceans towards the land.
In summer, a phenomenon called sea breeze occurs. During the day, the land heats up more quickly than the ocean, creating a temperature difference. The air above the land warms up and rises, creating a low-pressure area over the land. At the same time, the air above the ocean remains cooler and denser, creating a high-pressure area. The air flows from the high-pressure area over the ocean to the low-pressure area over the land, resulting in wind blowing from the oceans towards the land. Therefore, assertion 2 is true.
Assertion 3: The winds from the oceans carry water vapor and bring rain. It is a part of the water cycle.
The winds blowing from the oceans, known as maritime winds, carry moisture in the form of water vapor. When these moist air masses encounter cooler air or encounter mountain ranges, they are forced to rise. As the air rises, it cools, and the water vapor condenses to form clouds. This process is known as adiabatic cooling. The condensed water droplets in the clouds eventually combine and fall as precipitation, which can be in the form of rain, snow, or hail.
This process of moisture transportation by winds and subsequent condensation and precipitation is a crucial part of the water cycle, where water is continuously circulated between the Earth's surface, the atmosphere, and back again. Therefore, assertion 3 is true.
Conclusion:
Based on the explanations above, all three assertions are true. Therefore, the correct answer is option D, which states that assertions 1, 2, and 3 are all true.
In winter, there is a phenomenon known as land breeze. During the day, the land heats up faster than the ocean, creating a temperature difference between the two. This temperature difference leads to the formation of high pressure over the land and low pressure over the ocean. As air flows from high pressure to low pressure areas, the wind blows from the land to the ocean in winter. Therefore, assertion 1 is true.
Assertion 2: In summers, the wind flows from the oceans towards the land.
In summer, a phenomenon called sea breeze occurs. During the day, the land heats up more quickly than the ocean, creating a temperature difference. The air above the land warms up and rises, creating a low-pressure area over the land. At the same time, the air above the ocean remains cooler and denser, creating a high-pressure area. The air flows from the high-pressure area over the ocean to the low-pressure area over the land, resulting in wind blowing from the oceans towards the land. Therefore, assertion 2 is true.
Assertion 3: The winds from the oceans carry water vapor and bring rain. It is a part of the water cycle.
The winds blowing from the oceans, known as maritime winds, carry moisture in the form of water vapor. When these moist air masses encounter cooler air or encounter mountain ranges, they are forced to rise. As the air rises, it cools, and the water vapor condenses to form clouds. This process is known as adiabatic cooling. The condensed water droplets in the clouds eventually combine and fall as precipitation, which can be in the form of rain, snow, or hail.
This process of moisture transportation by winds and subsequent condensation and precipitation is a crucial part of the water cycle, where water is continuously circulated between the Earth's surface, the atmosphere, and back again. Therefore, assertion 3 is true.
Conclusion:
Based on the explanations above, all three assertions are true. Therefore, the correct answer is option D, which states that assertions 1, 2, and 3 are all true.
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In the context of wind flow, which of the following assertions is/are true?1. In winter, the wind flows from the land to the ocean.2. In summers, the wind flows from the oceans towards the land.3. The winds from the oceans carry water vapour and bring rain. It is a part of the water cycle.Use the code given below to select the correct answer :a) 1 and 2 Onlyb) 1 and 3 Onlyc) 3 onlyd) 1, 2 and 3Correct answer is option 'D'. Can you explain this answer?
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In the context of wind flow, which of the following assertions is/are true?1. In winter, the wind flows from the land to the ocean.2. In summers, the wind flows from the oceans towards the land.3. The winds from the oceans carry water vapour and bring rain. It is a part of the water cycle.Use the code given below to select the correct answer :a) 1 and 2 Onlyb) 1 and 3 Onlyc) 3 onlyd) 1, 2 and 3Correct answer is option 'D'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about In the context of wind flow, which of the following assertions is/are true?1. In winter, the wind flows from the land to the ocean.2. In summers, the wind flows from the oceans towards the land.3. The winds from the oceans carry water vapour and bring rain. It is a part of the water cycle.Use the code given below to select the correct answer :a) 1 and 2 Onlyb) 1 and 3 Onlyc) 3 onlyd) 1, 2 and 3Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the context of wind flow, which of the following assertions is/are true?1. In winter, the wind flows from the land to the ocean.2. In summers, the wind flows from the oceans towards the land.3. The winds from the oceans carry water vapour and bring rain. It is a part of the water cycle.Use the code given below to select the correct answer :a) 1 and 2 Onlyb) 1 and 3 Onlyc) 3 onlyd) 1, 2 and 3Correct answer is option 'D'. Can you explain this answer?.
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