1.
Linear polarization can be obtained only if the wave consists of ________
2.
When an electromagnetic wave travels from transmitter to receiver, which factor/s affect/s the propagation level?
3.
For avoiding ground losses, better is the surface conductivity, less is the __________
4.
On which factors of earth does the magnitude of tilt angle depend in surface wave?

Permittivity
Conductivity
Resistivity
Reflectivity
5.
What is the direction of varying orientation of polarized surface wave at the earth surface in a wave tilt mechanism?