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प्रश्न
Say TRUE or FALSE
After passing through a prism, white light splits into a band of seven colours
विकल्प
True
False
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उत्तर
After passing through a prism, white light splits into a band of seven colours- True
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संबंधित प्रश्न
Describe how you could demonstrate that white light is composed of a number of colours.
Explain briefly, with the help of a neat labelled diagram, how white light gets dispersed by a prism. On which surface of a prism, there is both dispersion and deviation of light, and on which surface of the prism, there is only deviation of light ?
When we place a glass prism in the path of a narrow beam of white light a spectrum is obtained. What happens when a second identical prism is placed in an inverted position with respect to the first prism? Draw a labelled ray diagram to illustrate it.
Write the range of wavelength of the visible spectrum.
Write an Explanation.
Critical angle
Observe the given figure and write appropriate phenomenon of light in the box.
What is dispersion? Explain in detail.
The phenomena of light involved in the formation of rainbow are ______.
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.
When sunlight passes through water droplets in the atmosphere it gets dispersed into its constituent colours forming a rainbow. A similar phenomenon is observed when white light passes through a prism.
Instead of sunlight, a green-coloured ray is passed through a glass prism. What will be the colour of the emergent ray?
