A Young's double-slit experiment is performed using light that has a wavelength of 663 nm. The separation between the slits is 345 10-7 m.

A Young's double-slit experiment is performed using light that has a wavelength of 663 nm. The separation between the slits is 345 10-7 m. Find the angles from the central axis at which the (a) first-, (b)second-, and (c) third-order bright fringes are located on the screen.