Electromagneticwaves are refractedwhen they
a. pass into a medium of different dielectric constant b. are polarized at right angles to the direction of propagation c. encounter a perfectly conducting plane
d. pass through a small slot in a conducting plane
a. pass into a medium of different dielectric constant b. are polarized at right angles to the direction of propagation c. encounter a perfectly conducting plane
d. pass through a small slot in a conducting plane