Question

10. A sound wave of frequency 400Hz is
traveling in a gas at speed of 320m/sec)
what is the phase difference between two
points 0.2m apart in the direction of travel.
a) -rad
b) rad
c) 2 rad
d) 47 rad
1 The frequency of the f...​

Answer 1

Answer:

47 rad

Explanation:

because it is 400 hz and the frequency is 1