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Which of the following statements are true regarding condensation?
  1. Condensation occurs when air is heated and expands.
  2. Condensation can lead to the formation of clouds, dew, frost, or fog.
  3. The process of condensation is solely dependent on the temperature of the air.
  • a)
    Only Statement 1 is true
  • b)
    Only Statement 2 is true
  • c)
    Statements 2 and 3 are true
  • d)
    Statements 1, 2, and 3 are true
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Which of the following statements are true regarding condensation? Con...
  • Statement 1 is false because condensation occurs when air cools and contracts, not when it heats up and expands.
  • Statement 2 is true; condensation can indeed lead to the formation of clouds, dew, frost, or fog.
  • Statement 3 is false as condensation depends on multiple factors, including temperature, humidity, and pressure.
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Most Upvoted Answer
Which of the following statements are true regarding condensation? Con...
Understanding the Statements
To evaluate the truth of the given statements about condensation, we need to clarify the processes involved.
Statement I: Condensation occurs when air is heated and expands.
- Condensation is the process where water vapor in the air changes into liquid water.
- It typically occurs when air cools and loses its capacity to hold moisture, not when it is heated.
- Therefore, Statement I is false.
Statement II: Condensation can lead to the formation of clouds, dew, frost, or fog.
- Condensation plays a crucial role in the water cycle.
- It is responsible for the formation of clouds when moist air rises and cools.
- Dew forms when air cools at night, causing moisture to condense on surfaces.
- Frost occurs when the temperature drops below freezing, leading to the formation of ice crystals from water vapor.
- Fog is essentially a cloud that forms at ground level due to condensation.
- Thus, Statement II is true.
Conclusion
Based on the evaluations:
- Statement I is false since condensation is related to cooling, not heating.
- Statement II is true as condensation is responsible for various forms of moisture in the atmosphere.
Therefore, the correct choice is option D: Statement I is false, but Statement II is true.
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