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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
Study the following diagrams in which the path of a ray of light passing through a glass prism as traced by four students P, Q, R and S is shown:
The student who has traced the path correctly is
(A) P
(B) Q
(C) R
(D) S
What will happen if another similar glass prism is placed upside down behind the first prism?
The coloured light having the maximum speed in glass prism is:
(a) blue
(b) green
(c) violet
(d) yellow
The splitting of white light into its constituent colours is called .............
Draw a labelled diagram: Dispersion of light through a prism.
Write the range of wavelength of the visible spectrum.
Draw a neat and labelled diagram for dispersion of light.
Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.
The periscope is an optical device with a polished surface that reflects the light falling on it.
