Q. A layer in the Earth's atmosphere called Ionosphere facilitates radio communication. Why ?
I. The presence of ozone causes the reflection of radio waves to Earth
II. Radio waves have a very long wavelength
I. The presence of ozone causes the reflection of radio waves to Earth
II. Radio waves have a very long wavelength
✅ Correct Answer: (D)
Neither I nor II
You must be Logged in to update hint/solution