Waves

Question 1

The p-wave (a type of seismic wave cause by earthquakes) has a frequency of 0.05 Hz and travels at a speed of 8 km/s. Cauculate its wavelength.

Answer 1

Speed = 8 km/s × 1000 = 8000 m/s
λ = v ÷ f
λ = 8000 ÷ 0.05
λ = 160,000 m
It has a wavelength of 160,000 m.