

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 | |