Home
Class 10
PHYSICS
What is colour blindness? How can it be ...

What is colour blindness? How can it be cured?

Text Solution

Verified by Experts

It is a defect of the eye in which a person is unable to distinguish between certain colours due to insufficient or no cone shaped cells on retina. It cannot be cured.
Promotional Banner

Topper's Solved these Questions

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    KUMAR PRAKASHAN|Exercise Value Based Questions With Answers|24 Videos

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    KUMAR PRAKASHAN|Exercise Practical Skill Based Questions with Answers|5 Videos

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS AND ANSWERS (Choose the correct option)|43 Videos

  • QUESTION PAPER-2 (MARCH,2020 - BOARD'S QUESTIONS PAPER)

    KUMAR PRAKASHAN|Exercise Section - D (Answer the following questions)|3 Videos

Similar Questions

Explore conceptually related problems

What is polyembryony and how can it be commercially exploited?

Millions of people of the developing countries of the world are suffering from corneal blindness. They can be cured by replacing the defective cornea with the cornea of a donated eye. A charitable society of your city has organised a campaign in your neighbourhood in order to create awareness about this fact. State the objective of organising such campaigns.

Millions of people of the developing countries of the world are suffering from corneal blindness. They can be cured by replacing the defective cornea with the cornea of a donated eye. A charitable society of your city has organised a campaign in your neighbourhood in order to create awareness about this fact. List two values which could be developed in the persons who actively participate and contribute in such programme.

Millions of people of the developing countries of the world are suffering from corneal blindness. They can be cured by replacing the defective cornea with the cornea of a donated eye. A charitable society of your city has organised a campaign in your neighbourhood in order to create awareness about this fact. Write one argument which you would give to motivate the people to donate their eyes after death.

What is the colour of insulation on the neutral wire coming from the electric board ?

KUMAR PRAKASHAN-THE HUMAN EYE AND THE COLOURFUL WORLD-OBJECTIVE QUESTIONS AND ANSWERS (Answer the following questions in very short as directed (Miscellaneous) )
  1. Which defect of the eye occurs due to distortion of cornea ?

    Text Solution

    |

  2. How the defect of astigmatism can be corrected ?

    Text Solution

    |

  3. What is colour blindness? How can it be cured?

    Text Solution

    |

  4. In hypermetropia, how does the size of eyeball change ?

    Text Solution

    |

  5. What change occurs in the focal length, when our eye lens becomes thic...

    Text Solution

    |

  6. What are rods and cones ?

    Text Solution

    |

  7. What is cataract ?

    Text Solution

    |

  8. What would have been the colour of the sky, had there been no atmosphe...

    Text Solution

    |

  9. Due to which phenomenon is the colour of water in deep sea blue ?

    Text Solution

    |

  10. What is the cause for presbyopia ?

    Text Solution

    |

  11. Give the relationship between wavelength of light and its angle of dev...

    Text Solution

    |

  12. For which colour has the glass larger refractive index – violet or gre...

    Text Solution

    |

  13. Which part of human eye is also known as 'white of the eye' ?

    Text Solution

    |

  14. Why is blind spot so called ?

    Text Solution

    |

  15. Which liquid is filled in the space between the eye lens and the retin...

    Text Solution

    |

  16. What happens to the pupil of the eye when the light is (a) very bright...

    Text Solution

    |

  17. A man is wearing spectacles of focal length +1 m. What can be the defe...

    Text Solution

    |

  18. Which portion of a bi-focal lens is (a) a concave lens (b)a convex l...

    Text Solution

    |

  19. When sunlight enters into a room filled with dark smoke, its path beco...

    Text Solution

    |

  20. What is the function of the iris ?

    Text Solution

    |