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What is the order of wavelength of visib...

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

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The order of wavelength of visible lights is `10^-7 m`.
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PRADEEP-THE HUMAN EYE AND COLOURFUL WORLD-(Additional)Short answer
  1. What is meant by scattering of light ?

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  2. What is the condition for Rayleigh scattering ?

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

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  4. What is the size of an air molecule ?

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

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  6. What is the basic cause of atmospheric refraction ?

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

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

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

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

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

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

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

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

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

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

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  17. The far point of a myopic person is 6 metre. Calculate the power of th...

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  18. A myopic person is using spectacles of power -1.5 D for distant vision...

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  19. The near point of a defective eye is 25 cm from the eye. Calculate foc...

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  20. The distance of distinct vision of a person is 40 cm. Calcuate the pow...

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