Question

When electromagnetic waves enter the ionised layer of ionosphere, then the relative permittivity i.e. dielectric constant of the ionised layer
A. does not change
B. appears to increase
C. appears to decreases
D. sometimes e appears to increase and sometimes to decreases

Answer 1

Correct Answer - C
When electromagnetic wave enter the ionised layer of ionosphere , then the relative premittivity of the ionised layer appears to decrease .