Define Periscope in detail
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A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position. In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45° angle.
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A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position. In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45° angle.
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hi mate,
==>>A periscope is defined as an instrument used for observing over, around or through an obstacle or object which is prevented by direct line of sight.
==>> It consists of an outer case with mirrors at each end at 45° angle. These mirrors are placed parallel to the surface.
==>>The periscope is used in the submarines to see what is going on the water surface.
==>>It was used for observation purposes in the trenches during World War I, It is used in some gun turrets and it is used in armed vehicles
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