diff --git a/docs/sph3u7.md b/docs/sph3u7.md index a902328..e93d017 100644 --- a/docs/sph3u7.md +++ b/docs/sph3u7.md @@ -778,7 +778,7 @@ When two points create waves, their wavefronts spread out in all directions. If For all points on **anti-nodal** lines, the path difference between the point sources is $n\lambda$, where $n$ is an integer indicating the number of anti-nodal lines away from the central anti-nodal line ($n=0$). -For all points on **nodal** lines, the path difference between the point sources is $(n+\frac{1}{2}\lambda$, where $n$ is an integer indicating the number of nodal lines away from the nodal lines ($n=0$) adjacent the central anti-nodal line (the diagram below mistakenly has one- instead of zero-indexed nodal line numbers). +For all points on **nodal** lines, the path difference between the point sources is $(n+\frac{1}{2})\lambda$, where $n$ is an integer indicating the number of nodal lines away from the nodal lines ($n=0$) adjacent the central anti-nodal line (the diagram below mistakenly has one- instead of zero-indexed nodal line numbers). (Source: Kognity)