An electromagnetic-wave transmitter is positioned $45\,\text{cm}$ away from a reflective surface. The waves it emits have a frequency of $1.00\,\text{GHz}$. A stationary wave forms, with a node at the transmitter and another node at the surface. How many antinodes lie in the region between the transmitter and the surface?
- A1
- B2
- C3
- D4