With the aid of a simple diagram: (i) illustrate how interference is observed with llyod's mirror apparatus. describe expressions to locate the minima and maxima in the interference pattern.
with the aid of a suitable diagram (ii) explain how a thin film of refractive index n can be used as an anti-reflective coating on a glass lens with refractive index ng.

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.

in order to follow the instructions and complete the statements, i need to use data from table c of your student guide. can you think of a way to let me see your student guide for a while ? i can't answer the question without the data in table c.