Question

How can you show that light is made of seven colours using a
Newton's disc?​

Answer 1

Answer:

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Explanation:

Take a circular cardboard. ...

Colour the first section with violet, the second with indigo, the third with blue, and so on in the order of VIBGYOR in an anticlockwise direction.

Drill a suitable hole in the centre of the disc.

Take a piece of round wood as a spindle. ...

Now, spin the coloured disc very quickly.

Answer 2

Answer:

When Light falls on the disc, it refracts and breaks up into 7 different colours which is popularly known as VIBGYOR.