Answer:
λ = 0.0091 m
Step-by-step explanation:
The frequency, f = 38 kHz
f = 38000 Hz
The speed, v = 344 m/s
The wavelength is calculated using the formula:
λ = v/f
Substitute f = 38000 Hz and v = 344 m/s into the formula and solve for λ
λ = 344/38000
λ = 0.0091 m