Order the materials from smallest refractive index to largest refractive index. a. Air
b. Diamond
c. Glass
d. Quartz Water

Answer and Explanation:

The refractive index states that the incidence angle sine to refraction angle sign

Now, According to the given situation, the manner that the materials from the smallest refractive index to the largest refractive index is presented below:-

Air = 1

Water = 1.33

Glass = 1.52

Quartz = 1.46

Diamond = 2.42

From the above  we can find the sequence that is

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.