Solve the all parts of given question:
Question: A two-slit pattern is viewed on a screen 1.12 m from the slits. If the two fourth-order maxima are 56.8 cm apart,
Part A: What is the total width of the central bright fringe?
Part B: What would the speed be, if the mass of the balls is quadrupled?
Would you be able to include the how you do it steps and equation and how to follow it thanks!!