a. Explain what is meant by the term superposition.
b. In a double-slit experiment, yellow light of wavelength 590 nm from a sodium discharge tube is used. A student sets up a screen 1.8 m from the double-slit. The distance between 12 bright fringes is measured to be 16.8 mm.
Calculate the separation of the slits.
c. Describe the effect of:
i. Using slits of narrower width, but with the same separation
ii. Using slits with a smaller separation, but of the same width.