# Nodal Lines

1. ### roy5995

29
How many nodal lines are produced when two point sources are 2.0m apart, making waves in phase at a frequency of 1.0Hz. The speed of the water waves are 0.60m/s and the length of the resevoir is 50m?

Would i use the formula sin(theta)=(n - 1/2) $$\lambda$$/d