- #1

- 37

- 0

## Homework Statement

The central bright fringe in a single slit diffraction pattern from light of wavelength 412 nm is 1.9 cm wide on a screen that is 1.05 m from the slit.

How wide is the slit?

## Homework Equations

i keep trying the equation .5asintheta=.5wavelength

I can't seem to get the right answer but I am sure its easy