| 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 statement(s) given above is/are correct? |
A) Only 1
B) Only 2
C) Both 1 and 2
D) Neither 1 nor 2
Correct Answer: B
Solution :
Exp. [b] Long wavelength of radio waves help in long distance communications and they get reflected in ionic atmosphere.
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