A single vertical slit 0.01 mm wide is illuminated by red light of wavelength 700 nm. (a) About how wide is the bright stripe on a screen 2 meters away? (b) Does the stripe get wider or narrower if...

A single vertical slit 0.01 mm wide is illuminated by red light of wavelength 700 nm.

(a) About how wide is the bright stripe on a screen 2 meters away?

(b) Does the stripe get wider or narrower if you make the slit narrower?

(c) Does the stripe get wider or narrower if you use light?