Light from a laser passes through two slits and forms a

Question

Solve the following problem given below:

Problem: Light from a laser passes through two slits and forms a diffraction pattern with bright peaks separated by 0.74 cm on a wall 1.22 meters away. The two slits have a spacing of 0.19 mm.

Part A- Find the wavelength of the laser light.

Thanks in advance that solve the above question.