Problem P. 4832. (April 2016)
P. 4832. The frequency of sound wave travelling in air at a speed of 320 m/s is 400 Hz. What is the phase difference between two points which are at a distance of 1 m in the direction of the propagation of sound?
Deadline expired on May 10, 2016.
|61 students sent a solution.|
|3 points:||51 students.|
|2 points:||10 students.|