Question

Critical frequency that gets reflected back from
ionosphere is
(a) same for all layers of the ionosphere
(b) different for different layers of the
ionosphere
(c) not dependent on layers of the ionosphere
(d) none of these

Answer 1

Answer:

(c) not depend on layers of the ionosphere.....

Answer 2

Answer:

hey mate ✌✌

Critical frequency just passes out by penetrating the ionosphere and this fluctuates from the different layers.

hence,it is different for all different layers.

therefore , option (b) is the correct answer.

Explanation:

hope it helps ✔

Answer with quality ✔✔