(adsbygoogle = window.adsbygoogle || []).push({}); urgent Help with single slit diffraction (fraunhoffer)

why is it a minimum at a*sin ([tex]\theta[/tex]) = m*[tex]\lambda[/tex],

a = slit separation

I would have thought if the path difference is equal to a whole wavelength then there would be constructive interference??

See http://hyperphysics.phy-astr.gsu.edu/hbase/hframe.html

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Help with single slit diffraction (fraunhoffer)

**Physics Forums | Science Articles, Homework Help, Discussion**