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What are the maximum and munimum focal l...

What are the maximum and munimum focal lengths of the eye lens ?

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`f_("max")=2.5 and f_("max")=2.27 cm`
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VGS PUBLICATION-BRILLIANT-HUMAN EYE AND COLOURFUL WORLD-CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION-I) (1/2 MARKS QUESTIONS)
  1. Which part carries the light signals from retina to brain ?

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  2. How many number of receptors are there in retina ?

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  3. What are the maximum and munimum focal lengths of the eye lens ?

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  4. Match it {:("a)" f("max") "of eye lens","i) object is at 25 cm"),("b...

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  5. From the above figure, where is the object ?

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  6. From the given figure, what is the focal length of eye lens ?

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  7. What is the name of the process of adjusting focal length of eye lens ...

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  8. Some people cannot see objects at long distance, but can see near obje...

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  9. Which of the following shows myopia ? f("max") of eye lens is:

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  10. What is the vision defect in the given figure ?

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  11. Which lens can be used to correct the vision defect given in the above...

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  12. What is point 'M' ? (In the above figure)

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  13. Myopia patients cannot see the objects

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  14. Which lens can bring the image of the object kept beyond far point, be...

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  15. Write a formula to find focal length of a bi-concave lens, if distance...

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  16. f= -D. What does negative sign indicate in the above formula ?

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  17. For an object at infinite distance, what do you substitute for 'u' in ...

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  18. Which defect of vision does occur, when the eye has a minimum focal le...

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  19. Which vision defect is called as "far sightedness" ?

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  20. Name the vision defect found in the figure.

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