2016-01-13T21:50:32+05:30
Cut out a circle of any size from the cardboard. Image titled Make a Newton's Disc Step 3 2 Cut out a circle from the paper. It should be of the same size as the cardboard circle. Image titled Make a Newton's Disc Step 4 3 Paste the paper circle on the cardboard circle with glue. Image titled Make a Newton's Disc Step 5 4 Divide the circle into seven evenly-spaced triangles. Image titled Make a Newton's Disc Step 6 5 Fill in the triangles with the colors of the rainbow, with one color in each triangle. The colors of the rainbow are Red, Orange, Yellow, Green, Blue, Indigo and Violet. Image titled Make a Newton's Disc Step 7 6 Using your pencil, punch a hole in the center of the circle. Then insert your pencil in the hole with an inch of it sticking out the other side. It should be sharpened. Image titled Make a Newton's Disc Step 8 7 Glue or tape your pencil to the circle to secure it and you are done! Image titled Make a Newton's Disc Step 9 8 Try it out! To see its effect, spin it like a top and watch the magic!
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2016-01-16T16:00:57+05:30
First take a card board
and cut it in a circular shape
mark the center point
now draw 7 lines from the center leaving equal spaces between each
now colour them following the VIBJYOR
now make two holes i n it
pass a thread passing both of them
tie a knot on the other side
now rotate it clockwise and then anti clock wise
we will see that white colour comes by the mixture of these seven colours
that's it the newton's disc is ready .mark this answer as the brainliest.