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प्रश्न
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उत्तर
The colour band obtained on a screen on passing white light through a prism is called teh spectrum.
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संबंधित प्रश्न
What will happen if another similar glass prism is placed upside down behind the first prism?
What acts as tiny prisms in the formation of a rainbow?
Why do you not see a spectrum of colours when light passes through a flat pane of glass?
The splitting of white light into its constituent colours is called .............
Out of air and glass, which is optically rarer? Give reason.
You are given a disc divided into seven sectors with colours violet, indigo, blue, green, yellow, orange and red in them. What would be its colour when it is rotated rapidly?
In the figure, a beam of light consisting of three colours blue, red, and yellow is incident on a prism and on a rectangular glass block respectively. Complete the diagram by drawings of the refracted and emergent rays.
What is dispersion? Explain in detail.
Assertion: We can see the rainbow in the sky when the rain starts falling after a spell of bright sunlight.
Reason: The rainbow is formed due to the dispersion of light.
