- 5 To Construct A Periscope A Set Of Triangular 45 Glass Prisms Are Used Instead Of Mirrors As Shown To The Right 1 (42.74 KiB) Viewed 60 times
5) To construct a 'periscope,' a set of triangular 45° glass prisms are used instead of mirrors, as shown to the right.
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5) To construct a 'periscope,' a set of triangular 45° glass prisms are used instead of mirrors, as shown to the right.
5) To construct a 'periscope,' a set of triangular 45° glass prisms are used instead of mirrors, as shown to the right. The glass prisms will produce an image that is considerably brighter than when using mirrors because 100% of the light is reflected on the slanted faces. a) Explain why these prisms could totally reflect 100% of the incoming light rays. (For the prisms, n= 1.60) b) Describe whether the image seen through the lens on the right is upright or inverted. Justify you answer. 70
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