A tube containing three or more plane mirrors inclined at certain angles to each other is called a ___.

Microscope

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Kaleidoscope

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Telescope

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Periscope

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Solution

The correct option is B Kaleidoscope
Kaleidoscope is a tube containing mirror and coloured fragmentation which produces changing patterns when the tube is rotated. It is made up of three plane rectangular mirrors arranged in the shape of a triangle.

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Similar questions

The number of images formed of an object placed between two plane mirrors inclined at right angles to each other is:

(a) two

(b) five

(d) three

θ

θ (< 90^{o})

θ

60^{\circ} .

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