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Why do different colours deviate through...

Why do different colours deviate through different angles on passing through a prism ?

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This is because different colours travel through glass with different speeds, and glass has different refractive index for different colours.
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Which colour deviates (i) most (ii) least on passing through a prism ?

A narrow beam of white light is shown to pass through a triangular glass prism. After passing through the prism, it produces a specturm XY on a screen. (a) State the colour seen at X and Y . (b) Why do different colours of white light bend through different angles with respect to the incident beam of light ? .

Statement I : White light gets dispersed when passed through a prism. Statement II: Different colours are deviated through different angles due to which white light splits.

What is angle of deviation through a prism ?

PRADEEP-THE HUMAN EYE AND COLOURFUL WORLD-(Additional)Short answer
  1. How is the amount of light entering the eye controlled ?

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  2. How do we see colours ?

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  3. Why do different colours deviate through different angles on passing t...

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

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  5. What is meant by scattering of light ?

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  6. What is the condition for Rayleigh scattering ?

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  7. What is the order of wavelength of visible light and audible sound?

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  8. What is the size of an air molecule ?

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  9. Can visible light be scattered by atmos//molecules in earth's atmosphe...

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  10. What is the basic cause of atmospheric refraction ?

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  11. A narrow beam of white light is shown to pass through a triangular gla...

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  12. In the following diagram, the correctly marked angles are : .

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  13. What is the myopia (near sightedness) ? Draw a ray diagram to show how...

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  14. A child while playing with his father's spectacles, burnt a hole in a ...

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  15. Draw a block diagram of human eye and name all its important parts.

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  16. How does eye view different colours ? What is colour blindness ?

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  17. Assertion : The stars twinkle while the planets do not. Reason : The...

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  18. Draw a labelled diagram of human eye. What is power of accomodation ...

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  19. (a) Draw a diagram to show the formation of image of a distant object ...

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  20. Draw the path of light ray passing through a prism. Label angle of inc...

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