Answer:
225 m
Explanation:
[tex]f[/tex] = Frequency of the T wave = 6.8 Hz
[tex]v[/tex] = Speed of sound in seawater = 1530 ms⁻¹
[tex]\lambda[/tex] = Wavelength of the T wave
we know that, frequency, speed and wavelength are related as
[tex]wavelength = \frac{speed}{frequency}[/tex]
[tex]\lambda = \frac{v}{f}[/tex]
Inserting the values, we get
[tex]\lambda = \frac{1530}{6.8}\\\lambda = 225 m[/tex]