Consider (I)the Law of Reflection and (II)the Law of Refraction

question 42

Multiple Choice

Consider (I) the law of reflection and (II) the law of refraction.Huygens' principle can be used to derive:

• A)only I
• B)only II
• C)both I and II
• D)neither I nor II
• E)the question is meaningless because Huygens' principle is for wave fronts whereas both I and II concern rays

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Definitions:

Kiliani-Fischer

A chemical synthesis method used to elongate the carbon chain of sugars.

Aldohexoses

A class of monosaccharides that contain six carbon atoms and an aldehyde functional group.

Epimeric

Describes diastereomers that differ in configuration at only one stereogenic center.

D-Aldopentose

A five-carbon sugar (pentose) with an aldehyde group, distinguished by its orientation in the Fischer projection that matches the D-family of sugars.