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Consider the following statements:
1. The lapse rate usually is more in winter than summer.
2. In hilly areas, a hot day followed by a calm, cloudless night act as a favourable condition for the phenomenon of temperature inversion.
3. If the moist air ascends rapidly to the cooler layers of the atmosphere, the water droplets freeze into ice pellets and fall to the earth as hail.
Which of the statements given above is/are correct?
- a)1 and 2 only
- b)3 only
- c)2 and 3 only
- d)1, 2 and 3
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
Consider the following statements: 1. The lapse rate usually is more ...
- The lapse rate usually is more in summer than winter.
- In hilly areas, a hot day followed by a calm, cloudless night act as a favourable condition for the phenomenon of temperature inversion.
- If the moist air ascends rapidly to the cooler layers of the atmosphere, the water droplets freeze into ice pellets and fall to the earth as hail.
Most Upvoted Answer
Consider the following statements: 1. The lapse rate usually is more ...
Explanation:
The given statements are related to atmospheric phenomena. Let us discuss each statement one by one:
1. The lapse rate usually is more in winter than summer:
The lapse rate is the rate at which temperature decreases with increasing altitude in the atmosphere. It is usually around 6.5°C per km. However, it varies with seasons. In winter, the temperature decreases rapidly with altitude due to the cooling effect of the ground. Hence, the lapse rate is higher in winter than in summer.
2. In hilly areas, a hot day followed by a calm, cloudless night act as a favourable condition for the phenomenon of temperature inversion:
Temperature inversion is a condition in which the temperature increases with altitude instead of decreasing, which is the normal pattern. It occurs in hilly areas when the ground cools down rapidly after sunset, and the air near the ground becomes cooler than the air above it. This cool air gets trapped in the valleys or slopes of the hills, and a layer of warmer air settles above it. This layer of warm air acts as a lid, preventing the cool air from rising and mixing with the warmer air above. This phenomenon is more likely to occur on hot days followed by calm, cloudless nights.
3. If the moist air ascends rapidly to the cooler layers of the atmosphere, the water droplets freeze into ice pellets and fall to the earth as hail:
Hail is a type of precipitation that occurs when thunderstorm updrafts carry raindrops up into the cold upper atmosphere, where they freeze into ice pellets. These pellets can grow larger as they are carried up and down by the updrafts, collecting more moisture and freezing more layers of ice. Eventually, they become too heavy for the updrafts to support, and they fall to the ground as hailstones.
Conclusion:
Hence, the correct option is (c) 2 and 3 only, as statements 2 and 3 are correct.
The given statements are related to atmospheric phenomena. Let us discuss each statement one by one:
1. The lapse rate usually is more in winter than summer:
The lapse rate is the rate at which temperature decreases with increasing altitude in the atmosphere. It is usually around 6.5°C per km. However, it varies with seasons. In winter, the temperature decreases rapidly with altitude due to the cooling effect of the ground. Hence, the lapse rate is higher in winter than in summer.
2. In hilly areas, a hot day followed by a calm, cloudless night act as a favourable condition for the phenomenon of temperature inversion:
Temperature inversion is a condition in which the temperature increases with altitude instead of decreasing, which is the normal pattern. It occurs in hilly areas when the ground cools down rapidly after sunset, and the air near the ground becomes cooler than the air above it. This cool air gets trapped in the valleys or slopes of the hills, and a layer of warmer air settles above it. This layer of warm air acts as a lid, preventing the cool air from rising and mixing with the warmer air above. This phenomenon is more likely to occur on hot days followed by calm, cloudless nights.
3. If the moist air ascends rapidly to the cooler layers of the atmosphere, the water droplets freeze into ice pellets and fall to the earth as hail:
Hail is a type of precipitation that occurs when thunderstorm updrafts carry raindrops up into the cold upper atmosphere, where they freeze into ice pellets. These pellets can grow larger as they are carried up and down by the updrafts, collecting more moisture and freezing more layers of ice. Eventually, they become too heavy for the updrafts to support, and they fall to the ground as hailstones.
Conclusion:
Hence, the correct option is (c) 2 and 3 only, as statements 2 and 3 are correct.
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Consider the following statements: 1. The lapse rate usually is more in winter than summer.2. In hilly areas, a hot day followed by a calm, cloudless night act as a favourable condition for the phenomenon of temperature inversion.3. If the moist air ascends rapidly to the cooler layers of the atmosphere, the water droplets freeze into ice pellets and fall to the earth as hail.Which of the statements given above is/are correct? a) 1 and 2 onlyb) 3 onlyc) 2 and 3 onlyd) 1, 2 and 3Correct answer is option 'C'. Can you explain this answer?
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Consider the following statements: 1. The lapse rate usually is more in winter than summer.2. In hilly areas, a hot day followed by a calm, cloudless night act as a favourable condition for the phenomenon of temperature inversion.3. If the moist air ascends rapidly to the cooler layers of the atmosphere, the water droplets freeze into ice pellets and fall to the earth as hail.Which of the statements given above is/are correct? a) 1 and 2 onlyb) 3 onlyc) 2 and 3 onlyd) 1, 2 and 3Correct answer is option 'C'. 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. The lapse rate usually is more in winter than summer.2. In hilly areas, a hot day followed by a calm, cloudless night act as a favourable condition for the phenomenon of temperature inversion.3. If the moist air ascends rapidly to the cooler layers of the atmosphere, the water droplets freeze into ice pellets and fall to the earth as hail.Which of the statements given above is/are correct? a) 1 and 2 onlyb) 3 onlyc) 2 and 3 onlyd) 1, 2 and 3Correct answer is option 'C'. 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. The lapse rate usually is more in winter than summer.2. In hilly areas, a hot day followed by a calm, cloudless night act as a favourable condition for the phenomenon of temperature inversion.3. If the moist air ascends rapidly to the cooler layers of the atmosphere, the water droplets freeze into ice pellets and fall to the earth as hail.Which of the statements given above is/are correct? a) 1 and 2 onlyb) 3 onlyc) 2 and 3 onlyd) 1, 2 and 3Correct answer is option 'C'. Can you explain this answer?.
Consider the following statements: 1. The lapse rate usually is more in winter than summer.2. In hilly areas, a hot day followed by a calm, cloudless night act as a favourable condition for the phenomenon of temperature inversion.3. If the moist air ascends rapidly to the cooler layers of the atmosphere, the water droplets freeze into ice pellets and fall to the earth as hail.Which of the statements given above is/are correct? a) 1 and 2 onlyb) 3 onlyc) 2 and 3 onlyd) 1, 2 and 3Correct answer is option 'C'. 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. The lapse rate usually is more in winter than summer.2. In hilly areas, a hot day followed by a calm, cloudless night act as a favourable condition for the phenomenon of temperature inversion.3. If the moist air ascends rapidly to the cooler layers of the atmosphere, the water droplets freeze into ice pellets and fall to the earth as hail.Which of the statements given above is/are correct? a) 1 and 2 onlyb) 3 onlyc) 2 and 3 onlyd) 1, 2 and 3Correct answer is option 'C'. 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. The lapse rate usually is more in winter than summer.2. In hilly areas, a hot day followed by a calm, cloudless night act as a favourable condition for the phenomenon of temperature inversion.3. If the moist air ascends rapidly to the cooler layers of the atmosphere, the water droplets freeze into ice pellets and fall to the earth as hail.Which of the statements given above is/are correct? a) 1 and 2 onlyb) 3 onlyc) 2 and 3 onlyd) 1, 2 and 3Correct answer is option 'C'. Can you explain this answer?.
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