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What is reflection? - BBC Bitesize
WebDec 21, 2024 · During the war, periscopes were a necessity for both the military and civilians. There are two types of periscopes: simple periscopes and complex helioscopy telescopic telescopes. A nasoscope is a periscope with an upper prism that is attached to the tube with two telescopic lenses. A periscope is a great instrument for observing small … Webperiscope. periscope pĕr´ĭskōp [ key] [Gr.,=view around], instrument to enable a person to see objects not in his direct line of vision or concealed by some intervening body. Its … bob\\u0027s stores framingham
Periscope optical instrument Britannica
Webperiscopes used on submarines, which are usually a complex optical system using both lenses and mirrors. • 2 flat mirrors • a cardboard tube with openings on each end • wooden supports • tape Level: Grades (5–8), (9-12) Activity: 5 … WebAcrylic is an incredibly useful plastic for applications requiring transparency where high impact resistance is not an issue. Acrylic is very scratch resistant compared to other clear plastics. It is a lighter alternative to glass and an economic substitute for polycarbonate in applications where strength is not a crucial factor. WebOct 4, 2024 · Periscope interesting facts. 1. A periscope is a device that allows individuals to observe objects from a hidden location. The gadget consists of a long tube with 45 … bob\u0027s stores footwear \u0026 apparel simsbury ct