A kaleidoscope is a device made of (usually three) mirrors facing each other. In most cases, some small, sparkly matter is put in a slide on the end. Anything on the end is reflected by the mirrors, and the mirrors reflect each other, repeating the image over and over.
im pretty sure it only uses the reflection of light. (mirror)
What is the working principle of venturimeter?
A working principle is a regulation or rule that is used so that work can be done. This is a general phrase that can be used in any circumstance from the working principle of a motor, to the working principle of a solar cells.
kaleidoscope is a thing/object which works on the principle of multiple reflections. the three plain mirrors reflect light that,s why we can see paterns.
A principle is a way of working or ethical standards.
1. Explain the working principle of a milling machine?
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