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प्रश्न
What do you understand by the term spectrum? Name the various colours present in the spectrum of sunlight.
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उत्तर
Spectrum is the band of colours obtained on a screen when white light passes through a prism and splits into its constituent colours. The colours of the spectrum are violet (V), indigo (1), blue (B), green (G), yellow (Y), orange (O), and red (R).
The order of the spectrum is VIBGYOR.
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संबंधित प्रश्न
State the cause of dispersion of white light
In the formation of spectrum of white light by a prism:
which colour is deviated most?
Name the process which is involved in the formation of a rainbow.
A beam of white light is shone onto a glass prism. The light cannot be:
(a) deviated
(b) dispersed
(c) focused
(d) refracted
When white light passes through a prism, it ............
Complete the ray diagram given below to show the nature of light produced on the screen.
Draw a labeled ray diagram to illustrate the dispersion of a narrow beam of white light when it passes through a glass prism.
When white light enters a glass prism from the air, the angle of deviation is least for ____________.
During dispersion of white light by prism placed in air, for a particular value of angle of prism,
