Question
Condensation of water vapour into water is influenced by which of the following factor/factors? 1. Volume of air 2. Humidity 3. Temperature Select the answer using the code given below:
NDA
General Ability
General Studies
2025
NDA 2025 (Phase 1)
NDA General Ability Question (2025) — Solution
Options
- A. 1 only
- B. 1 and 2 only
- C. 2 and 3 only
- D. 1, 2 and 3
Answer
D. 1, 2 and 3
Step-by-step solution
Condensation is the process of transformation of water vapour into liquid water, which is primarily caused by the loss of heat. Condensation depends upon the amount of cooling and the relative humidity of the air. It is influenced by the volume of air, temperature, pressure, and humidity. Condensation takes place under the following conditions: 1. When the temperature of the air is reduced to the dew point with its volume remaining constant. 2. When both the volume and the temperature are reduced. 3. When moisture is added to the air through evaporation. Thus, volume of air, humidity, and temperature all influence the condensation of water vapour. Answer: 1, 2 and 3
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