Q. Lens antennas used for microwaves are usually made of (Solved)
1. paraboloid surfaces
2. polystyrene
3. dielectric media having large refractive index
4. glass of low refractive index
- b. polystyrene
1. paraboloid surfaces
2. polystyrene
3. dielectric media having large refractive index
4. glass of low refractive index