The instrument that can be used to see things from a concealed position

Periscope

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Kaleidoscope

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Telescope

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Microscope

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Solution

The correct option is D Periscope
A periscope is an instrument for observation from a concealed position. It is light based device which is used to see the back or front side objects with the help of reflection.

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Similar questions

Name the instrument that is used in submarines, tanks and also by soldiers in bunkers to see things outside.

Question 6

(a) ______ is the property of a material that enables us to see things through it.

(b) Which type of object allows us to see things clearly through it. Give an example.

(c) Define a translucent object.

(d) Name a material that is opaque but it can be made translucent by rubbing it with a little amount of oil.

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