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Question

A tube containing two or more plane mirrors, inclined at certain angles to each other, is called a ________. Fill in the blanks.

A
Microscope
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B
Telescope
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C
Kaleidoscope
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D
Periscope
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Solution

The correct option is C Kaleidoscope
Such a tube is called a Kaleidoscope. It works on the principle of multiple reflection of light.
The idea of multiple images formed by mirrors, placed at an angle to one another, is used in a kaleidoscope.
As can be seen in picture three mirrors placed at an angle to each other(axial view) are present in kaleidoscope which forms multiple images.
The side view of kaleidoscope is also given .

433177_440936_ans_1c18b1f2a8224dbf923e61fad848eef8.png

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