E0A05 - Amateur Extra Class

E0A05 : What hazard is created by operating at microwave frequencies?
A Microwaves are ionizing radiation
B The high gain antennas commonly used can result in high exposure levels
C Microwaves are in the frequency range where wave velocity is higher
D The extremely high frequency energy can damage the joints of antenna structures
Correct Answer: The high gain antennas commonly used can result in high exposure levels