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What information do we get about sunligh...

What information do we get about sunlight from the formation of a rainbow ?

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The correct Answer is:
Sunlight consists of 7 colours
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LAKHMIR SINGH & MANJIT KAUR-THE HUMAN EYE AND THE COLOURFUL WORLD -Exercise
  1. As light rays emerge from a glass prism into air, are they refracted t...

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  2. Name a natural phenomenon which is caused by the dispersion of sunligh...

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  3. What information do we get about sunlight from the formation of a rain...

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  4. What did Newton demonstrate by his experiments with the perism ?

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  5. What colours make up white light ?

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  6. Give the meaning of the term VIBGYOR. With which phenomenon is it conn...

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  7. In the formation of spectrum of white light by a prism : (i) which c...

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  8. What colours lie on the two sides of the 'green colour' in the spectru...

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  9. Name the scientist who discovered that sunlight consists of seven colo...

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  10. What is the order of colours in a rainbow, from the outside to the ins...

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  11. Which light has the longer wavelength : red light or blue light ?

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  12. Which colour of light has the shorter wavelength-red or violet ?

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  13. Fill in the blanks with suitable words : (a) When a ray of light ent...

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  14. (i) A ray of white light breaks up into its components while passing t...

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  15. When a beam of white light is passed through a prism, it splits to for...

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  16. (a) What is spectrum ? What is the name of glass shape used to produce...

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  17. What is meant by dispersion of white light ? Describe the formation of...

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  18. Draw a diagram to show how white light can be dispersed into a spectru...

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  19. Make two diagrams to explain refraction and dispersion.

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  20. Describe how you could demonstrate that white light is composed of a n...

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