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प्रश्न
Write the range of wavelength of the visible spectrum.
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उत्तर
The wavelength range for the visible spectrum is from 4000 Å to 7900 Å.
संबंधित प्रश्न
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
The speed of light in air or vacuum is
A ray of light moving from an optically rarer to a denser medium
How does the speed of light determine the optical density of a medium?
- A beam of monochromatic light undergoes minimum deviation through an equiangular prism, how does the beam pass through the prism, with respect to its base?
- If white light is used in the same way as in part (a) above, what change do you expect in the emergent beam?
- What conclusion do you draw about the nature of white light in part (b)?
A wave has wavelength 50Å of State the speed in vacuum.
Answer the following:
What do you mean by dispersion? Name the different colours of light in the proper sequence in the spectrum of light.
What is dispersion? Explain in detail.
When white light enters a glass prism from the air, the angle of deviation is least for ____________.
Why do we see a rainbow in the sky only after rainfall?
