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Match it {:("a)" f("max") "of eye lens...

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`{:("a)" f_("max") "of eye lens","i) object is at 25 cm"),("b)" f_("min")"of eye lens","ii) object is at infinity"),(,"iii) object is at 1 cm"):}`

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a-ii,b-i
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Which of the following shows myopia ? f_("max") of eye lens is:

A compound microscope consists of an object lens of focal length 2 cm and an eyepiece of focal length 5 cm. When an object is placed at 2.2 cm from the object lens, the final image is at 25 cm from the eye lens. What is the distance between the lenses ? What is the total linear magnification ?

The length of the compound microscope is 14 cm. The magnifying power for relaxed eye is 25. If the focal length of eye lens is 5 cm, then the object distance for objective will be (in cm)

Why is a normal eye not able to see clearly the objects placed closer than 25 cm?

VGS PUBLICATION-BRILLIANT-HUMAN EYE AND COLOURFUL WORLD-CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION-I) (1/2 MARKS QUESTIONS)
  1. How many number of receptors are there in retina ?

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

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

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

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

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

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

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

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

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

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

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  12. Myopia patients cannot see the objects

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

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

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

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

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

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

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  19. Name the vision defect found in the figure.

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  20. What is represented by 'H', given in the above figure ?

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