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Describe how you could demonstrate that ...

Describe how you could demonstrate that white light is composed of a number of colours.

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Fill in the following blanks with suitable words : White light is composed of __________ colours.

Fill in the blanks with suitable words : (a) When a ray of light enters a prism, it bends………….the normal , as it leaves the prism, it bends…………the normal. (b) White light is composed of…………..colours. The colour of white light deviated through the largest angle by a prism is............

LAKHMIR SINGH & MANJIT KAUR-THE HUMAN EYE AND THE COLOURFUL WORLD -Exercise
  1. Draw a diagram to show how white light can be dispersed into a spectru...

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  2. Make two diagrams to explain refraction and dispersion.

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

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  4. How could you show that the colours of the spectrum combine to give wh...

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  5. How is refracted most by a prism : red light or violet light ? Explain...

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  6. A beam of white light is shone onto a glass prism. The light cannot be...

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  7. A beam of white light falls on a glass prism. The colour of light whic...

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  8. The colour of white light which suffers the maximum bending (or maximu...

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  9. Which of the following colour of white light is least deviated by the ...

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  10. The colour of white light which is deviated the maximum on passing thr...

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  11. The splitting up of white light into seven colours on passing through ...

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  12. The coloured light having the maximum speed in glass prism is :

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  13. Which of the following colour of white light has the least wavelength ...

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  14. Which colour of the light has the longest wavelength?

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  15. Why do you not see a spectrum of colours when light passes through a f...

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  16. Name some everyday objects : (a) which reflect all the colours in su...

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  17. Where in nature can you find evidence that white sunlight may be made ...

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  18. Name the phenomenon which causes the twinkling of stars.

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  19. Name two effects produced by the atmospheric refraction.

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  20. Which phenomenon makes us see the sun : (a) a few minutes before act...

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