A layer in the Earth’s atmosphere called the 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.
A layer in the Earth’s atmosphere called the 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.
Answer:
(d)
Core Books/NCERT
Option (d) is correct: The ionosphere reflects radio waves due to its high concentration of charged particles, not due to the presence of ozone or the wavelength of radio waves.