Q. When electromagnetic waves enter the ionised layer of ionosphere, then the relative permittivity $ie$,dielectric constant dielectric constant of the ionised layer
A) Does not change
B) Appears to increase
C) Appears to decrease
D) Sometimes appears to increase and sometimes to decrease
Explanation
(c) When electromagnetic waves enter the ionised layer of ionosphere, then the relative permittivity of the ionised layer appears to decrease
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.