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Consider the following statements
1. Warm air can hold more water vapour than cold air.
2. A weathercock is used for measuring wind direction.
3. The cirrus clouds are high clouds which indicate fair weather.
Which of the statements given above is/are correct?
- a)1 and 3 only
- b)1 only
- c)2 only
- d)1, 2 and 3
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements 1. Warm air can hold more water vap...
- With the change of air temperature, the capacity to retain moisture increases or decreases. Warm air can hold more water vapour than cold air.
- A wind vane also called a weather vane or weathercock, is a tool for measuring wind direction and was probably one of the first weather instruments ever used. To determine wind direction, a wind vane spins and points in the direction from which the wind is coming.
- Cirrus clouds are formed at high altitudes (8,000 - 12,000m). They are thin and detached clouds having a feathery appearance. They are always white in colour. These clouds indicate fair Weather.
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Consider the following statements 1. Warm air can hold more water vap...
Explanation:
Statement 1: Warm air can hold more water vapour than cold air.
This statement is correct. Warm air has a higher capacity to hold water vapor compared to cold air. As the temperature increases, the air molecules move faster and have more energy. This increased energy allows the air to hold more water vapor. Conversely, cold air has less energy and thus a lower capacity to hold water vapor. This is why warm air can feel more humid than cold air.
Statement 2: A weathercock is used for measuring wind direction.
This statement is correct. A weathercock, also known as a weather vane, is a device used to determine the direction of the wind. It typically consists of a rotating arrow or figure mounted on a pole or rooftop. The arrow or figure is designed to align itself with the direction of the wind, allowing observers to easily determine the wind direction.
Statement 3: The cirrus clouds are high clouds which indicate fair weather.
This statement is correct. Cirrus clouds are generally high-level clouds found at altitudes above 20,000 feet (6,000 meters). They are composed of ice crystals and appear thin, wispy, and feathery. Cirrus clouds are often associated with fair weather conditions because they indicate stable atmospheric conditions. Their presence indicates that the air is dry and stable, which is not conducive to the formation of precipitation or storms. However, it is important to note that cirrus clouds can also precede the arrival of a warm front or a tropical cyclone, which may eventually lead to changes in weather conditions.
Conclusion:
All three statements are correct. Warm air can hold more water vapor, a weathercock is used for measuring wind direction, and cirrus clouds are high clouds that indicate fair weather.
Statement 1: Warm air can hold more water vapour than cold air.
This statement is correct. Warm air has a higher capacity to hold water vapor compared to cold air. As the temperature increases, the air molecules move faster and have more energy. This increased energy allows the air to hold more water vapor. Conversely, cold air has less energy and thus a lower capacity to hold water vapor. This is why warm air can feel more humid than cold air.
Statement 2: A weathercock is used for measuring wind direction.
This statement is correct. A weathercock, also known as a weather vane, is a device used to determine the direction of the wind. It typically consists of a rotating arrow or figure mounted on a pole or rooftop. The arrow or figure is designed to align itself with the direction of the wind, allowing observers to easily determine the wind direction.
Statement 3: The cirrus clouds are high clouds which indicate fair weather.
This statement is correct. Cirrus clouds are generally high-level clouds found at altitudes above 20,000 feet (6,000 meters). They are composed of ice crystals and appear thin, wispy, and feathery. Cirrus clouds are often associated with fair weather conditions because they indicate stable atmospheric conditions. Their presence indicates that the air is dry and stable, which is not conducive to the formation of precipitation or storms. However, it is important to note that cirrus clouds can also precede the arrival of a warm front or a tropical cyclone, which may eventually lead to changes in weather conditions.
Conclusion:
All three statements are correct. Warm air can hold more water vapor, a weathercock is used for measuring wind direction, and cirrus clouds are high clouds that indicate fair weather.
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Consider the following statements 1. Warm air can hold more water vapour than cold air.2. A weathercock is used for measuring wind direction.3. The cirrus clouds are high clouds which indicate fair weather.Which of the statements given above is/are correct? a) 1 and 3 onlyb) 1 onlyc) 2 onlyd) 1, 2 and 3Correct answer is option 'D'. Can you explain this answer?
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Consider the following statements 1. Warm air can hold more water vapour than cold air.2. A weathercock is used for measuring wind direction.3. The cirrus clouds are high clouds which indicate fair weather.Which of the statements given above is/are correct? a) 1 and 3 onlyb) 1 onlyc) 2 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 Consider the following statements 1. Warm air can hold more water vapour than cold air.2. A weathercock is used for measuring wind direction.3. The cirrus clouds are high clouds which indicate fair weather.Which of the statements given above is/are correct? a) 1 and 3 onlyb) 1 onlyc) 2 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 Consider the following statements 1. Warm air can hold more water vapour than cold air.2. A weathercock is used for measuring wind direction.3. The cirrus clouds are high clouds which indicate fair weather.Which of the statements given above is/are correct? a) 1 and 3 onlyb) 1 onlyc) 2 onlyd) 1, 2 and 3Correct answer is option 'D'. Can you explain this answer?.
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