A) affected by the solar cycle
B) reflected by D2 layer
C) absorbed by the F2 layer
D) capable of use for long distance communication on the moon
Correct Answer: A
Solution :
High frequency waves are of frequency 3 to\[30\text{ }MHz\]. Their propagation is through sky wave which are reflected from ionosphere. The position of the reflecting layers of ionosphere is affected by solar cycle ie, their positions are different in day and night times.
You need to login to perform this action.
You will be redirected in
3 sec
