If gases are ionised by high energy radiation in a layer, which feature can this explain?
Answer and explanation
Correct answer: Reflection or bending of radio waves
High-energy solar radiation can remove electrons from atmospheric atoms and molecules, producing ions and free electrons. This ionised region changes the electrical properties of the upper atmosphere and can refract, reflect or otherwise alter radio-wave paths. Thus option A is correct and explains long-distance communication effects. River erosion, ocean salinity and soil formation are surface processes unrelated to atmospheric ionisation.
Frequently asked questions
What is the correct answer to this question?
Reflection or bending of radio waves
Why is this the correct answer?
High-energy solar radiation can remove electrons from atmospheric atoms and molecules, producing ions and free electrons. This ionised region changes the electrical properties of the upper atmosphere and can refract, reflect or otherwise alter radio-wave paths. Thus option A is correct and explains long-distance communication effects. River erosion, ocean salinity and soil formation are surface processes unrelated to atmospheric ionisation.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Theory Base of Accounting.
