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Periscope: Quiz


Question 1: As of 2009 modern submarine periscopes incorporate lenses for magnification and function as a ________.
Reflecting telescopeOptical telescopeAstronomyTelescope

Question 2: Periscopes, in some cases fixed to rifles, served in ________ to enable soldiers to see over of the tops of trenches, so that they would not be exposed to enemy fire (especially from snipers).
Western Front (World War I)Caucasus CampaignWorld War IArmenian Genocide

Question 3: They typically employ prisms and ________ instead of mirrors, because prisms, which do not require coatings on the reflecting surface, are much more rugged than mirrors.
Total internal reflectionOptical fiberSnell's lawRefraction

Question 4: More complex periscopes, using prisms instead of mirrors, and providing magnification, operate on ________.
United States NavyAlfa class submarineSubmarineTorpedo

Question 5: The ________'s Virginia-class submarines instead use photonics masts, which lift an electronic imaging sensor-set above the water.
United States Coast GuardUnited States NavyUnited States Marine CorpsUnited States armed forces

Question 6: Johann Gutenberg, better known for his contribution to printing technology, marketed a periscope in the 1430s to enable pilgrims to see over the heads of the crowd at the vigintennial religious festival at ________.

Question 7: The design was first used in the Polish ________ light tank (produced from 1935 to 1939).
7TPTKSC7PSamochód pancerny wz. 29

Question 8: This form of periscope, with the addition of two simple lenses, served for observation purposes in the trenches during ________.
Armenian GenocideWorld War IWestern Front (World War I)Caucasus Campaign

Question 9: Military personnel also use periscopes in some gun turrets and in ________.
Armoured fighting vehicleTankSelf-propelled gunArmoured warfare

Question 10: Periscopes are extensively used in ________, enabling drivers or tank commanders to inspect their situation without leaving the safety of the tank.
TankT-26 tankT-34M1 Abrams


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