Snell's law math problem

[@NDTVideoLibrary]

Download the Phased Array App from google play store. Just search "PAUT Buddy" or follow this link: play.google.com/store/apps/details?id=com.saurabh_lawande.NDT

[@nw8000]

Where did you get 0.866 from?

[@mdgardner70]

24.42 ?

[@NDTVideoLibrary]

That's correct! 24.26 deg.

[@mdgardner70]

Sweet!