Physics-10th The Human Eye and the Colourful World CBSE Board 2025 Medium
A person allowed a narrow beam of white light from the sun to enter a dark room through a small aperture and…
A person allowed a narrow beam of white light from the sun to enter a dark room through a small aperture and placed a glass prism in its path in such a manner that the beam falls on the face AB of the prism as shown in the figure.
A screen S is placed on the other side of the prism, facing AC. On turning the prism slowly, a beautiful band of colours is obtained on the screen. It is the spectrum of sunlight.
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