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प्रश्न
Distinguish between an impure spectrum and a pure spectrum.
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उत्तर
A spectrum in which there is the overlapping of different colours is called an impure Spectrum. In other words, in an impure spectrum, the colours are not distinct and independent but they overlap. On the other hand, a spectrum with each colour distinct and independent is called a pure spectrum.
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 of the following coloured light has the least speed in glass prism?
(a) violet
(b) yellow
(c) red
(d) green
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 .............
How does the speed of light determine the optical density of a medium?
Define the term dispersion of light.
Complete the ray diagram given below to show the nature of light produced on the screen.
The completed ray diagram is as shown below:
Suggest one way, in each case, by which we can detect the presence of Infrared radiations.
Observe the given figure and write appropriate phenomenon of light in the box.
State the colour which bends:
- The most.
- The least while passing through a glass prism.
