MCQOPTIONS
Saved Bookmarks
| 1. |
A sound wave travels at a speed of 340 ms-1. If its wavelength is 2 cm, what is the frequency of the wave? |
| A. | 170 Hz |
| B. | 17000 Hz |
| C. | 1700 Hz |
| D. | 170000 Hz |
| Answer» C. 1700 Hz | |