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Consider the following statements.
1. The actual amount of water vapour present in the air is called the absolute humidity
2. The ratio between the actual amount of water vapour and the total amount the air can hold at a given temperature is the relative humidity
3. When the relative humidity richest hundred percent, the air temperature is said to be at dew Point
Which of these statements is/are correct?
- 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?
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Verified Answer
Consider the following statements. 1. The actual amount of water vapo...
- Humidity is a measure of the atmosphere's dampness, which varies greatly from place to place at different times of day.
- The actual amount of water vapour present in the air, which is expressed in grams per cubic metre, is called the absolute humidity.
- But more important from the point of view of weather studies is the relative humidity.
- This is the ratio between the actual amount of water vapour and the total amount the air can hold at a given temperature, expressed as a percentage.
- Warm air can hold more water vapour than cold air, so if it contains only half the amount it could carry, the relative humidity is 50 per cent.
- In the equatorial regions, over 80 per cent is common in the morning, which means the air contains four-fifths as much water vapour as it can carry.
Most Upvoted Answer
Consider the following statements. 1. The actual amount of water vapo...
Statement 1: The actual amount of water vapour present in the air is called the absolute humidity.
Absolute humidity refers to the total mass of water vapor present in a given volume of air. It is expressed in grams per cubic meter (g/m³) or grams per kilogram (g/kg). Absolute humidity represents the actual amount of water vapor in the air, regardless of the air's temperature or pressure.
Statement 2: The ratio between the actual amount of water vapour and the total amount the air can hold at a given temperature is the relative humidity.
Relative humidity is the ratio of the amount of water vapor present in the air to the maximum amount of water vapor the air can hold at a given temperature. It is expressed as a percentage. Relative humidity is an important measure of how close the air is to saturation, or the point at which the air cannot hold any more water vapor. Warmer air can hold more water vapor than cooler air, so the relative humidity will change with temperature.
Statement 3: When the relative humidity reaches hundred percent, the air temperature is said to be at the dew point.
The dew point is the temperature at which the air becomes saturated with water vapor and condensation occurs. When the relative humidity reaches 100%, it means that the air is holding the maximum amount of water vapor it can at that temperature. If the air cools further, it becomes unable to hold all the water vapor, and condensation occurs in the form of dew, fog, or clouds. The dew point is the temperature at which this condensation begins.
Explanation:
- Statement 1: The statement is correct. Absolute humidity represents the actual amount of water vapor present in the air, regardless of temperature or pressure.
- Statement 2: The statement is correct. Relative humidity is the ratio between the actual amount of water vapor and the maximum amount the air can hold at a given temperature.
- Statement 3: The statement is correct. When the relative humidity reaches 100%, it indicates that the air is saturated with water vapor and the temperature at which this occurs is known as the dew point.
Therefore, all three statements are correct.
Absolute humidity refers to the total mass of water vapor present in a given volume of air. It is expressed in grams per cubic meter (g/m³) or grams per kilogram (g/kg). Absolute humidity represents the actual amount of water vapor in the air, regardless of the air's temperature or pressure.
Statement 2: The ratio between the actual amount of water vapour and the total amount the air can hold at a given temperature is the relative humidity.
Relative humidity is the ratio of the amount of water vapor present in the air to the maximum amount of water vapor the air can hold at a given temperature. It is expressed as a percentage. Relative humidity is an important measure of how close the air is to saturation, or the point at which the air cannot hold any more water vapor. Warmer air can hold more water vapor than cooler air, so the relative humidity will change with temperature.
Statement 3: When the relative humidity reaches hundred percent, the air temperature is said to be at the dew point.
The dew point is the temperature at which the air becomes saturated with water vapor and condensation occurs. When the relative humidity reaches 100%, it means that the air is holding the maximum amount of water vapor it can at that temperature. If the air cools further, it becomes unable to hold all the water vapor, and condensation occurs in the form of dew, fog, or clouds. The dew point is the temperature at which this condensation begins.
Explanation:
- Statement 1: The statement is correct. Absolute humidity represents the actual amount of water vapor present in the air, regardless of temperature or pressure.
- Statement 2: The statement is correct. Relative humidity is the ratio between the actual amount of water vapor and the maximum amount the air can hold at a given temperature.
- Statement 3: The statement is correct. When the relative humidity reaches 100%, it indicates that the air is saturated with water vapor and the temperature at which this occurs is known as the dew point.
Therefore, all three statements are correct.
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Consider the following statements. 1. The actual amount of water vapour present in the air is called the absolute humidity 2. The ratio between the actual amount of water vapour and the total amount the air can hold at a given temperature is the relative humidity 3. When the relative humidity richest hundred percent, the air temperature is said to be at dew PointWhich of these statements is/are correct?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. The actual amount of water vapour present in the air is called the absolute humidity 2. The ratio between the actual amount of water vapour and the total amount the air can hold at a given temperature is the relative humidity 3. When the relative humidity richest hundred percent, the air temperature is said to be at dew PointWhich of these statements is/are correct?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. The actual amount of water vapour present in the air is called the absolute humidity 2. The ratio between the actual amount of water vapour and the total amount the air can hold at a given temperature is the relative humidity 3. When the relative humidity richest hundred percent, the air temperature is said to be at dew PointWhich of these statements is/are correct?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. The actual amount of water vapour present in the air is called the absolute humidity 2. The ratio between the actual amount of water vapour and the total amount the air can hold at a given temperature is the relative humidity 3. When the relative humidity richest hundred percent, the air temperature is said to be at dew PointWhich of these statements is/are correct?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?.
Consider the following statements. 1. The actual amount of water vapour present in the air is called the absolute humidity 2. The ratio between the actual amount of water vapour and the total amount the air can hold at a given temperature is the relative humidity 3. When the relative humidity richest hundred percent, the air temperature is said to be at dew PointWhich of these statements is/are correct?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. The actual amount of water vapour present in the air is called the absolute humidity 2. The ratio between the actual amount of water vapour and the total amount the air can hold at a given temperature is the relative humidity 3. When the relative humidity richest hundred percent, the air temperature is said to be at dew PointWhich of these statements is/are correct?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. The actual amount of water vapour present in the air is called the absolute humidity 2. The ratio between the actual amount of water vapour and the total amount the air can hold at a given temperature is the relative humidity 3. When the relative humidity richest hundred percent, the air temperature is said to be at dew PointWhich of these statements is/are correct?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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