Q. 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 fare correct?

  • (A) 1 only
  • (B) 2 only
  • (C) Both 1and 2
  • (D) Neither 1 nor 2
βœ… Correct Answer: (D) Neither 1 nor 2

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