How can aerosols and water vapour together affect visibility in urban areas?
Answer and explanation
Correct answer: They can add moisture to particles and increase haze and light scattering
The governing concept is aerosol–humidity interaction and optical scattering. Hygroscopic aerosol particles can take up water when relative humidity rises, becoming larger and scattering more incoming and reflected light. The resulting haze reduces the distance and clarity with which objects can be seen, so A is correct. B, C and D describe effects unrelated to the physical cause of reduced urban visibility.
Frequently asked questions
What is the correct answer to this question?
They can add moisture to particles and increase haze and light scattering
Why is this the correct answer?
The governing concept is aerosol–humidity interaction and optical scattering. Hygroscopic aerosol particles can take up water when relative humidity rises, becoming larger and scattering more incoming and reflected light. The resulting haze reduces the distance and clarity with which objects can be seen, so A is correct. B, C and D describe effects unrelated to the physical cause of reduced urban visibility.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Bills of Exchange.
