A layer in the Earth’s atmosphere called ionosphere facilities radio communication. Why ?
A layer in the Earth’s atmosphere called ionosphere facilities 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?
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2
4 views
1 Answers
(d) Ionosphere has high concentration of free electrons and gases. These free electrons completely surrounds the earth.
4 views
Answered