A. In an arrangement to demonstrate double-slit

interference, λ = 451 nm, θ = 0.602 , and d = 0.141 mm.

For light from the two slits interfering at

this angle, what is the path difference in millimeters?

Answer in units of mm

B.The path difference represents how many

wavelengths?

C.Will the interference correspond to a maximum, a minimum, or an intermediate condition?

1. intermediate

2. Unable to determine

3. minimum

4. maximum

5. None of these.