Asked by | 23rd Feb, 2010, 04:25: PM
the right-angle prism possesses the simple geometry of a 45-degree right triangl.and is one of the most commonly used prisms for redirecting light and rotating images. A parallel bundle of light waves entering one of the smaller prism faces (or legs) at a perpendicular angle is reflected from the hypotenuse (longest) face and exits through the other leg. Provided the prism is constructed from a material having a refractive index greater than the square root of 2 (approximately 1.414), the light will undergo total internal reflection at the glass/air boundary while inside the prism.
Hope this helps.
Answered by | 23rd Feb, 2010, 09:28: PM
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