Physics

Problem

3. A beam of light passes from medium 1 to medium 2 to medium 3 as shown in the accompanying figure. What is true about the respective indices of refraction

\left(\mathrm{n}_{1}, \mathrm{n}_{2}\right.

, and

\mathrm{n}_{3}

) ![](https://storage.googleapis.com/diraq-contents/question-bank/question-images/ceaa82f18446/2025_11_20_b4c87f8716f7c4a9fa5bg-01.jpg) (A)

\mathrm{n}_{1}>\mathrm{n}_{2}>\mathrm{n}_{3}

(B)

\mathrm{n}_{1}>\mathrm{n}_{3}>\mathrm{n}_{2}

(C)

\mathrm{n}_{2}>\mathrm{n}_{3}>\mathrm{n}_{1}

(D)

n_{2}>n_{1}>n_{3}

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