An interactive exhibit has three tone channels. The table gives the time taken for one complete vibration from each channel.
| Channel | Time for one complete vibration (s) |
|---|---|
| R | 0.025 |
| S | 0.000030 |
| T | 0.10 |
Which channel produces a sound within the typical hearing range of a young person?
Channel S
Channels R and S
Channel T
Channel R