Monochromatic light falls into slit 3.00*10^-6 wide. The angle between the first dark fringes on either side of the cental maximum is 25 derees. Calculate the λ.
sin(ө) = nλ/w
sin(ө) = ((m+0.5)λ)/w
The Attempt at a Solution
hoever the answer is 6.49*10^-7