Science, asked by mittalkeshav633, 5 months ago

_ is used to view objects that are from the field Obstructed of view

Answers

Answered by pandeymanjun

Answer: periscope

Explanation:

an optical instrument for viewing objects that are above the level of direct sight or in an otherwise obstructed field of vision, consisting essentially of a tube with an arrangement of prisms or mirrors and, usually, lenses: used especially in submarines.

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