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The near point of a person suffering fro...

The near point of a person suffering from hypermetropia is 75 cm. calculate the focal length and power of the lens required to enable him to read the newspaper which is kept at 25 cm form the eye.

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MBD-THE HUMAN EYE AND THE COLOURFUL WORLD-EXAMPLE
  1. Distiguish between simple microscope and compound microscope

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  2. A person can not see clearly objects beyond a distance of 1.2 m.Name t...

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  3. The near point of a person suffering from hypermetropia is 75 cm. calc...

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  4. The near point of a hypermetropia eye is 1 m find the power of the len...

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  5. A person cannot see object beyond 1.5 m distinctly . What type of lens...

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  6. What do you mean by optical instruments? Name any two.

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  7. What is least distance of distinct vision?

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  8. What is far point ?

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  9. Write a function of each of: Retina

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  10. Wrtie a funciton of each of: Sclerotic

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  11. Write the function of ciliary muscles in human eye.

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  12. What is the function of rods on the retina?

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  13. What are cone cells?

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  14. Why chickens come out late in the morning and return early in the even...

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  15. Explain why (or how): Bats can ascertain distances, directions, nature...

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  16. Colour of eyes depend upon colour of which part of eye?

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  17. What is basic cause of colour blindness?

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  18. Which phenomenon of light is shown in fig below:

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

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  20. Which defect of human eye is being corrected in the figure given below...

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