How can humidity and air pollution together reduce visibility in the atmosphere?
Answer and explanation
Correct answer: Moisture can condense on particles and increase haze and fog
The governing concept is light scattering by suspended particles. When humid air contains dust, smoke or aerosols, water vapour may condense on these particles, making them larger and more effective at scattering light. This produces haze, mist or fog and reduces the distance at which objects can be seen. Therefore, option A is correct; the other options wrongly claim that moisture removes particles, pollution improves visibility, or humidity exists only over the sea.
Frequently asked questions
What is the correct answer to this question?
Moisture can condense on particles and increase haze and fog
Why is this the correct answer?
The governing concept is light scattering by suspended particles. When humid air contains dust, smoke or aerosols, water vapour may condense on these particles, making them larger and more effective at scattering light. This produces haze, mist or fog and reduces the distance at which objects can be seen. Therefore, option A is correct; the other options wrongly claim that moisture removes particles, pollution improves visibility, or humidity exists only over the sea.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Theory Base of Accounting. Topic: accounting principles.
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