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Newton's Colour Disc

Product Code : JLI-PLE-11303

Quick Answer: The Newton’s Colour Disc is a 180mm diameter multi-coloured disc on a metal stand, spun by a belt from a hand-driven wheel to show that white light can be made from all the spectral colours.

Last updated: 18 October 2026

Key Features

  • 180mm diameter multi-coloured disc.
  • Mounted on a metal stand.
  • Belt drive from a hand-driven wheel.
  • Demonstrates that white light may be composed from all the spectral colours.

Technical Specifications

SpecificationValue
Disc diameter180mm
StandMetal
DriveBelt from a hand-driven wheel

How It Is Used

Turning the hand wheel spins the disc through the belt drive. As it speeds up the separate colour segments blend together and the disc appears whitish, showing that the spectral colours combine to form white light.

Frequently Asked Questions

How is the Newton’s Colour Disc driven?

The 180mm diameter disc is mounted on a metal stand and driven by a belt with the help of a hand-driven wheel, so no power supply is needed.

Related Physics Lab Equipment

See the full physics lab equipment range, or these related colour and light apparatus:

JLab India quotes the Newton’s Colour Disc for export buyers in Rwanda, Cambodia, Latvia, Qatar, Venezuela and Cyprus.

For a quotation on the Newton’s Colour Disc, contact JLab India on +91-8569909696.

   
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