Refraction Defraction Reflection

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Discussion Overview

The discussion revolves around a homework problem involving the behavior of a laser beam as it interacts with a slab of material, specifically focusing on refraction, internal reflection, and the geometry of the situation.

Discussion Character

  • Homework-related

Main Points Raised

  • One participant presents a scenario where a laser beam strikes a slab with a specific index of refraction and angle of incidence, seeking to determine the number of internal reflections before the beam exits the slab.
  • Another participant suggests that the phrasing of the question indicates it is a homework problem.
  • A third participant confirms that it is indeed a homework question, adding a light-hearted tone to the discussion.
  • There is a comment acknowledging the appropriateness of the forum for discussing homework-related queries.

Areas of Agreement / Disagreement

Participants generally agree that the question is related to homework, but there is no further exploration of the problem or its solution, leaving the discussion unresolved.

j3wfrobklyn
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A laser beam traveling in air strikes the mid-
point of one end of a slab of material with
index of refraction 1.45 as shown in the figure
below.

Dimensions of Block 46mm (L) and 3.4mm (W)
Initial ray of light enters the slab from the left side at an angle of incidence of 39 degrees.


Find the number of internal reflections of
the laser beam before it finally emerges from
the opposite end of the slab.
 
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You phrase that as if it were your homework question.
 


lol it is a homework question
 


j3wfrobklyn said:
lol it is a homework question

Well, we have a forum for that.
 

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