GyanGramA layer in the Earth’s atmosphere called Ionosphere facilitates radio communication. Why? 1. The presence of…
Read the full question, pick an option, then see whether you were right. The answer is not shown until you attempt.
Choose an option before the answer.
A layer in the Earth’s atmosphere called Ionosphere facilitates radio communication. Why?
1. The presence of ozone causes the reflection of radio waves to Earth.
2. Radio waves have a very long wavelength.
Which of the statements given above is/are correct?
Pick an option to check yourself. The answer stays hidden until you attempt.
• Correct Answer: D
• Ionosphere reflects radio waves due to free electrons and ions from solar radiation, not ozone.
• Reflection depends on frequency and electron density, not merely wavelength; both statements are incorrect.
Same year. Same subject. More attempts.
Keep attempting in GyanGram.
Filter by year or subject, attempt previous-year questions, and connect each miss back to a visual deck.