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प्रश्न
What conclusion do you draw about the nature of white light in part (b)?
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उत्तर
We conclude that white light is polychromatic.
संबंधित प्रश्न
In the formation of spectrum of white light by a prism:
which colour is deviated least?
Describe how you could demonstrate that white light is composed of a number of colours.
State the speed of light in (a) air, (b) water, and (c) glass
Which is optically denser: water or air? Give reason
A ray of white light is passed through a glass prism and a spectrum is obtained on a screen.
- Name the seven colours of the spectrum in order.
- Do the colours have the same width in the spectrum?
- Which of the colour of the spectrum of white light deviates (i) the most, (ii) the least?
Draw a labeled ray diagram to illustrate the dispersion of a narrow beam of white light when it passes through a glass prism.
If white light is used in same way what change is expected in the emergent beam?
A wave has wavelength 50Å of State its one use.
Which one of the following is involved for the formation of rainbow in the sky?
A ray of light is incident at 45° on an equilateral prism in the diagram below.
- Name the phenomenon exhibited by the ray of light when it enters and emerges out of the prism.
- State the cause of the above phenomenon mentioned by you.
