The tallest pyramid ever constructed in Egypt, the Great Pyramid, was considered to be a "wonder of the world" by ancient writers. Some 4,500 years ago, the ancient Egyptians built the Great Pyramid ...
A glass prism is a transparent object having two triangular ends and three rectangular sides. The refraction of light in glass prism is different from a glass slab. This is because in glass prism, the ...
A pyramidal prism/angular cube reflector is always used to reflect a beam of light into the prism, regardless of the direction of the beam. Corner prisms are widely used where accurate alignment is ...
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