chapter 11 Light: Shadows and Reflection - Part 7

An optical device consisting of two parallel plane mirrors used to see over obstacles is a:

Type: MCQ • Marks: 1
An optical device consisting of two parallel plane mirrors used to see over obstacles is a:
Options
A. Telescope
B. microscope
C. Periscope
D. Kaleidoscope
Explanation
A periscope uses two plane mirrors angled at 45° to view objects blocked from line of sight.
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Class 7th Curiosity

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