Just then, the aliens came! You asked them, "what are you afterl?" But before aliens had a chance to speak, your PHY143 instructor cut off. "Who cares about their motive? It's already Friday and she needs to finish making this final exam! She wasn't even planning to make a story like this at the beginning!" You were not sure who "she" is in your instructor's speech, but seeing how serious your instructor seemed, you decided to let it go. That is when the aliens shined light onto their double slit and shouted "Wahahaha, the pattern through this double slit has both double-slit and single-slit effects! You will be tempted to calculate the relationship between the slit width a and slit separation d! While you do that, we are going to attack you, hehehehell" They were right, as soon as you saw that the second diffraction minimum coincided with the 14th double-slit maximum, you couldn't think about anything else. What is the relationship between a (slit width) and d (slit separation)