The bending of radio waves in the upper atmosphere is related to what?
Answer and explanation
Correct answer: Ionised particles
The governing concept is the effect of the ionosphere on electromagnetic communication. Solar radiation ionises gases in the upper atmosphere, creating charged particles that can refract, reflect or otherwise alter the path of some radio waves. Hence option A is correct. Raindrops may affect signal strength in some conditions, but they do not explain the upper-atmosphere bending described here; sea waves and glaciers are unrelated.
Frequently asked questions
What is the correct answer to this question?
Ionised particles
Why is this the correct answer?
The governing concept is the effect of the ionosphere on electromagnetic communication. Solar radiation ionises gases in the upper atmosphere, creating charged particles that can refract, reflect or otherwise alter the path of some radio waves. Hence option A is correct. Raindrops may affect signal strength in some conditions, but they do not explain the upper-atmosphere bending described here; sea waves and glaciers are unrelated.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Bills of Exchange.
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