Final answer:
The wave with the shortest period is the one with the highest frequency, which is 12 kHz.
Step-by-step explanation:
In physics, the period of a wave is the time it takes for one complete cycle or wave to pass a specific point. The period is inversely related to the frequency of the wave, meaning that a higher frequency corresponds to a shorter period. So, of the four waves listed, the one with the highest frequency will have the shortest period.
Looking at the frequencies given:
- 12 kHz = 12,000 Hz
- 6,000 Hz
- 205 Hz
- 1 kHz = 1,000 Hz
Therefore, the wave with the shortest period is the one with the highest frequency, which is 12 kHz.