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प्रश्न
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?
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उत्तर
- Violet, Indigo, Blue, Green, Yellow, Orange, and Red.
- No, different colours have different widths in the spectrum.
-
- The violet colour deviates the most.
- The red colour deviates the least.
APPEARS IN
संबंधित प्रश्न
State the cause of dispersion of white light
Make two diagrams to explain refraction and dispersion.
Describe how you could demonstrate that white light is composed of a number of colours.
What is a rainbow? What are the two conditions necessary for the formation of a rainbow in the sky?
Out of air and glass, which is optically rarer? Give reason.
Which characteristic property of light is responsible for the blue colour of the sky?
Write the range of wavelength of the ultraviolet spectrum.
Observe the given figure and write appropriate phenomenon of light in the box.
The splitting of white light in to seven colors is called ______.
______ colour is deviated the least in the spectrum of white light obtained with a glass prism.
