Module 2_2 Quiz

1. What is the significance of the F layer in the ionosphere?

a) This is the primary region where HF sky waves are bent (refracted) back down toward the surface.
b) This is the primary absorption region for HF radiation.
c) This is where aircraft often fly
d) The electron density in this layer is almost nearly constant.
e) None of the above are correct.

2. What is the significance of the D layer in the ionosphere??

a) This is the primary region where HF sky waves are bent (refracted) back down toward the surface.
b) This is the primary absorption region for HF radiation.
c) This is where aircraft often fly.
d) The electron density in this layer is almost nearly constant.
e) None of the above are correct.

3. Which of the following ionospheric layers is present in the daytime?

a) F1 Layer
b) F2 Layer
c) E Layer
d) D Layer
e) All of the above are present in daytime.

4. Which of the following ionospheric layers is not present at night?

a) F Layer.
b) E Layer
c) D Layer
d) All of the above are present at night.
None of the above are present at night.