Question
Describe the construction of a kaleidoscope.
Solution
Kaleidoscope operates on the principle of multiple reflection.
Construction of a kaleidoscope:
1. A kaleidoscope is constructed using three narrow strips of plane mirrors inclined at angles of 60° enclosed in a tube.
2. One end of tube has a ground glass plate with a clear glass plate on its inner side.
3. A metallic ring separates the two plates and the space is filled with coloured pieces of glass or broken bangles.
4. A cardboard with a hole in the centre is fixed on the other end of the tube.
