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The near point of a hypermetropic eye is...

The near point of a hypermetropic eye is 1 m. What is the nature and power of the lens required to correct this defect ? (Assume that the near point of the normal eye is 25 cm).

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(a) Make a diagram to show how hypermetropia is corrected (b) The near point of a hypermetropic eye is 1 m. What is the power of the lens required to correct this defect ? Assume that the near point of the normal eye is 25 cm .

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MBD -HARYANA BOARD-THE HUMAN EYE AND THE COLOURFUL WORLD-EXAMPLE
  1. A person with a myopic eye cannot see objects beyond 1.2 m distinctly....

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  2. The near point of a person having hypermetropia is 60 cm in front of t...

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  3. The near point of a hypermetropic eye is 1 m. What is the nature and p...

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  4. What is the least distance of distinct vision?

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  5. Write a function of each of: Retina

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  6. What is the function of the ciliary muscles?

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  7. What is the main function of the rods in the eye?

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  8. Why cats and bats are able to see at night?

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  9. Colour of a star depends upon

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  10. What is basic cause of colour blindness?

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  11. In the given diagram which defect of the human eye is being corrected ...

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  12. The least distance of distinct vision for a normal person is about

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  13. The focal length of objective is chagned by:

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  14. Answer the following questions. What is the far point of a normal hu...

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  15. The human eye forms the image of an object at its

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  16. When light rays enter the eye, most of the refraction occurs at the

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  17. Most insensitive part of the eye is called :

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  18. Focal length of the eye lens can be adjusted by action of :

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  19. When light rays enter the eye, most of the refraction occurs at the

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  20. The least distance of distinct vision for a normal person is

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