Which option gives the most accurate relationship between ionosphere and thermosphere?
Answer and explanation
Correct answer: A large part of the ionosphere is an ionized region within the thermosphere
The ionosphere is a region containing electrically charged particles formed when solar ultraviolet and X-ray radiation ionizes atmospheric gases. It is not a sharply bounded layer, but much of it overlaps the thermosphere. Therefore option A is correct. Options B and D wrongly place it in a local or lower-atmosphere setting, while C denies ionization that is especially important in the upper atmosphere.
Frequently asked questions
What is the correct answer to this question?
A large part of the ionosphere is an ionized region within the thermosphere
Why is this the correct answer?
The ionosphere is a region containing electrically charged particles formed when solar ultraviolet and X-ray radiation ionizes atmospheric gases. It is not a sharply bounded layer, but much of it overlaps the thermosphere. Therefore option A is correct. Options B and D wrongly place it in a local or lower-atmosphere setting, while C denies ionization that is especially important in the upper atmosphere.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Theory Base of Accounting.