Q. In earth's atmosphere, for $E$-layer, the virtual height and critical frequency are
A) 80 km and 3MHz
B) 90 km and 3.5 MHz
C) 120 km and 4.5 MHz
D) 110 km and 4 MHz
Explanation
(d) The virtual height and critical frequency of $E$-layer is 110 km and 4 MHz
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.