Concept explainers
The angle at which light ray emerges from the opposite face.
Answer to Problem 84GP
Solution:
Angle at which light emerge from other side of the prism is 56∙250.
Explanation of Solution
In this question Snell’s law would be used twice to find the incidence angle at other side of the prism.
Given:
prism is equilateral,
Incidence angle at first side of prism is
Refractive index of prism
Formula used:
(1)Snell’s law , where i is incidence angle in one medium and r is refracted angle in other medium. n1 and n2 are refractive index of both medium.
(2)Angle of prism , where A is prism angle and r1 and r2 are refracted angle on both the sides of prism.
Calculation:
For air-prism interface
So now for prism- air interface on other side
Chapter 23 Solutions
Physics: Principles with Applications
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