If air has high water vapour and temperature falls, what can form?
Answer and explanation
Correct answer: Clouds
When moist air cools, the governing process is condensation: water vapour changes into tiny liquid droplets or, at sufficiently low temperatures, ice crystals. In the atmosphere these particles collect around condensation nuclei and form clouds, so option B is the intended answer. Fog is essentially a cloud at or very near the ground, while dew forms on surfaces and frost requires freezing conditions; neither is the best general atmospheric result stated here.
Frequently asked questions
What is the correct answer to this question?
Clouds
Why is this the correct answer?
When moist air cools, the governing process is condensation: water vapour changes into tiny liquid droplets or, at sufficiently low temperatures, ice crystals. In the atmosphere these particles collect around condensation nuclei and form clouds, so option B is the intended answer. Fog is essentially a cloud at or very near the ground, while dew forms on surfaces and frost requires freezing conditions; neither is the best general atmospheric result stated here.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Bills of Exchange. Topic: Introduction and Concepts.
