Q64
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
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
A layer in the Earth's atmosphere called Ionosphere facilitates radio communication.