 
                        
                            
                                AI-created image
                            
                        
                    Statements (18)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:scientific_equation | 
| gptkbp:appliesTo | transparent materials | 
| gptkbp:describes | relationship between refractive index and density | 
| gptkbp:field | physical chemistry physics | 
| gptkbp:form | (n^2 - 1)/(n^2 + 2) = (4πNα)/3 | 
| gptkbp:namedAfter | gptkb:Hendrik_Lorentz gptkb:Ludwig_Lorenz | 
| gptkbp:relatedTo | density molar refractivity refractive index | 
| gptkbp:usedFor | calculating refractive index from density | 
| gptkbp:usedIn | gptkb:optics material science | 
| gptkbp:yearProposed | late 19th century | 
| gptkbp:bfsParent | gptkb:Hendrik_Lorentz | 
| gptkbp:bfsLayer | 4 | 
| https://www.w3.org/2000/01/rdf-schema#label | Lorentz-Lorenz equation |