Answer:
T = 1.47 ms
Explanation:
We need to find the period of the wave motion for a wave of frequency 0.68 kHz.
Let the period be T. We know that,
T = 1/f
So,
[tex]T=\dfrac{1}{0.68\times 10^3}\\\\T=1.47\times 10^{-3}\ s\\\\T=1.47\ ms[/tex]
So, the period of the wave motion is 1.47 ms.
