Physics-10th The Human Eye and the Colourful World CBSE Board 2025 Medium
The students in a class took a thick sheet of cardboard and made a small hole in its centre. Sunlight was all…
The students in a class took a thick sheet of cardboard and made a small hole in its centre. Sunlight was allowed to fall on this small hole and they obtained a narrow beam of white light. A glass prism was taken and this white light was allowed to fall on one of its faces. The prism was turned slowly until the light that comes out of the opposite face of the prism appeared on the nearby screen. They studied this beautiful band of light and concluded that it is a spectrum of white light.
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