Question:
By which process relative humidity of a parcel of air can be increased?
A. Adding dry air from outside
B. Adding moisture from outside
C. Decreasing its radiation
D. Increasing wind speed
E. Increasing temperature
Choose the correct answer from the options given below:
By which process relative humidity of a parcel of air can be increased?
A. Adding dry air from outside
B. Adding moisture from outside
C. Decreasing its radiation
D. Increasing wind speed
E. Increasing temperature
Choose the correct answer from the options given below:
A. Adding dry air from outside
B. Adding moisture from outside
C. Decreasing its radiation
D. Increasing wind speed
E. Increasing temperature
Choose the correct answer from the options given below:
Show Hint
RH increases with more moisture.
RH decreases with higher temperature.
RH = (actual vapor pressure saturation vapor pressure) \(\times\) 100.
RH decreases with higher temperature.
RH = (actual vapor pressure saturation vapor pressure) \(\times\) 100.
Updated On: Aug 12, 2026
- C only
- A only
- B only
- D and E only
Show Solution
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Relative humidity is the ratio of actual water vapor to saturation vapor pressure.
It can be changed by adding moisture or changing temperature.
Step 2: Key Formula or Approach:
No specific formula.
Need to understand factors affecting relative humidity.
Step 3: Detailed Explanation:
Relative humidity can be increased by adding moisture.
Adding dry air decreases humidity.
Decreasing radiation does not directly affect humidity.
Increasing wind speed can affect evaporation but not humidity directly.
Increasing temperature decreases relative humidity.
Thus, only adding moisture increases relative humidity.
Step 4: Final Answer:
Relative humidity is increased by adding moisture from outside.
Hence, the correct option is (C).
Relative humidity is the ratio of actual water vapor to saturation vapor pressure.
It can be changed by adding moisture or changing temperature.
Step 2: Key Formula or Approach:
No specific formula.
Need to understand factors affecting relative humidity.
Step 3: Detailed Explanation:
Relative humidity can be increased by adding moisture.
Adding dry air decreases humidity.
Decreasing radiation does not directly affect humidity.
Increasing wind speed can affect evaporation but not humidity directly.
Increasing temperature decreases relative humidity.
Thus, only adding moisture increases relative humidity.
Step 4: Final Answer:
Relative humidity is increased by adding moisture from outside.
Hence, the correct option is (C).
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Choose the correct answer from the options given below:
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