Optics Refractive Index Calculation

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Questions and Answers

What is the formula used to calculate the refractive index (n)?

  • $n = \frac{sin((A + Sm) / 2)}{sin(A)}$
  • $n = \frac{sin((A + Sm) / 2)}{sin(A / 2)}$ (correct)
  • $n = \frac{sin(A + Sm)}{sin(A)}$
  • $n = \frac{sin(A)}{sin(Sm)}$

What is the value of angle A used in the calculation?

  • 90°
  • 45°
  • 30°
  • 60° (correct)

What is the value of angle Sm in the calculation?

  • 60°
  • 15°
  • 30° (correct)
  • 45°

What is the first step in the substitution for calculating n?

<p>$n = \frac{sin((60° + 30°) / 2)}{sin(60° / 2)}$ (D)</p> Signup and view all the answers

What is the significance of the final calculations in determining refractive index?

<p>They yield the value of the refractive index. (D)</p> Signup and view all the answers

Flashcards

Snell's Law Calculation

A method used to calculate the refractive index when given angles of incidence and refraction.

Refractive Index

A measure of how much a material slows down light.

Angle A

The angle of incidence in the calculation.

Angle Sm

The angle of refraction in a calculation.

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Formula for n

The formula to calculate the refractive index (n) given angles A and Sm.

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Values from example

Example calculation values for determining the refractive index (n).

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Calculation Procedure

Steps to calculate n given angles A and Sm.

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