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What happens if the focal length of eye...

What happens if the focal length of eye lens is beyond the range of 2.5 cm to 2.27 cm ?

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The vision(image) becomes blurred due to defects of eye lens.
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VGS PUBLICATION-BRILLIANT-HUMAN EYE AND COLOURFUL WORLD-QUESTIONS GIVEN IN THE LESSON (1 MARK QUESTIONS)
  1. What are the maximum and munimum focal lengths of the eye lens ?

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  2. What happens if eye lens is not able to adjust its focal length ?

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  3. What happens if the focal length of eye lens is beyond the range of 2...

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  4. What can we do to correct myopia ?

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  5. What happens when the eye has a minimum focal length greater than 2.27...

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  6. Have you ever observed details in the prescription ?

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  7. You might have heard people saying "my sight is increased or decreased...

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  8. What do you mean by power of lens ?

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  9. How could the white light of the sun gives us various colours of the r...

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  10. What happens to a light ray when it passes through a transparent mediu...

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  11. What is a prism ?

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  12. What is the shape of the outline drawn for a prism ?

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  13. How do you find angle of deviation ?

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  14. What do you notice from the angle of deviation ?

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  15. Can you draw a graph between angle of incidence and angle of deviation...

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  16. Is there any relation between the angle of incidence (i) and angle fo...

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  17. In an activity-3, we noticed that light has choseb different paths. Do...

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  18. Is the speed of light of each color different ?

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  19. Can you guess now, why light splits into different colours when it pas...

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  20. Can you give an example in nature, where you observe colours as seen i...

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