Which of the following statements is false?
(a) MUF is always greater than or equal to critical frequency depending on the incident angle
(b) Optimum frequency is the frequency at which optimum reflection of wave takes place
(c) Beyond the MUF, the entire wave gets reflected back
(d) Below LUF, the entire power of wave gets absorbed
I have been asked this question in semester exam.
Origin of the question is Maximum Usable Frequency topic in division Virtual Height, Critical Frequency and Muf of Antennas