A 60 ^$\circ$ Prism Has a Refractive Index of 1 $\circ$

question 78

Multiple Choice

A 60 ^$\circ$ prism has a refractive index of 1.71.Calculate the angle of emergence out of the prism for a ray that enters one side at an angle almost parallel to one face,i.e.at 90 ^$\circ$ to the normal.

• A)24.3 \(\circ\)
• B)35.8 \(\circ\)
• C)45.1 \(\circ\)
• D)48.7 \(\circ\)
• E)55.3 \(\circ\)

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Definitions:

Acetic Acid Solution

A solution composed of acetic acid, often used in vinegar, with acidic properties resulting from the presence of acetic acid.

Buffer Solution

A solution that resists changes in pH upon the addition of small amounts of acid or base, typically made from a weak acid and its conjugate base.

Acid

A substance that can donate a hydrogen ion (H+) and usually has a sour taste.

Base

A substance that can accept hydrogen ions (protons) or more generally, donate a pair of valence electrons.