Why is it better to understand the ionosphere as an upper ionised region rather than a completely separate layer?
Answer and explanation
Correct answer: Because it is a region of ionised particles in the upper atmosphere
The ionosphere is best understood as a functional region of the upper atmosphere where solar radiation creates ions and free electrons. Its extent overlaps parts of the mesosphere, thermosphere, and sometimes higher regions, so it is not a sharply bounded layer like the troposphere or stratosphere. These charged particles influence radio-wave propagation and other electrical phenomena. Therefore, option A is correct; the other options place it in the wrong environment or deny its electrical nature.
Frequently asked questions
What is the correct answer to this question?
Because it is a region of ionised particles in the upper atmosphere
Why is this the correct answer?
The ionosphere is best understood as a functional region of the upper atmosphere where solar radiation creates ions and free electrons. Its extent overlaps parts of the mesosphere, thermosphere, and sometimes higher regions, so it is not a sharply bounded layer like the troposphere or stratosphere. These charged particles influence radio-wave propagation and other electrical phenomena. Therefore, option A is correct; the other options place it in the wrong environment or deny its electrical nature.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Theory Base of Accounting.
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