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प्रश्न
Draw a labeled ray diagram to illustrate the dispersion of a narrow beam of white light when it passes through a glass prism.
उत्तर
When ray of white light passes through glass prism, different colour components of white light travel through different velocities and come out from prism along different paths.
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संबंधित प्रश्न
When a beam of white light is passed through a prism, it splits to form lights of seven colours. Is it possible to recombine the lights of seven colours to obtain the white light again? Explain your answer.
Which is refracted most by a prism : red light or violet light? Explain why?
How does the speed of light determine the optical density of a medium?
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 ?
A student has to trace the path of a ray of light through a glass prism. List four precautions he should observe for better results.
Suggest one way, in each case, by which we can detect the presence of Infrared radiations.
Write an Explanation.
Critical angle
Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.
Which one of the following is involved for the formation of rainbow in the sky?
What is Newton’s disc?
