Home
Class 10
PHYSICS
An object is moved closer to an eye. Wha...

An object is moved closer to an eye. What changes must take place in the eye in order to keep the image in sharp focus ?

Text Solution

Verified by Experts

The correct Answer is:
Ciliary muscles change the shape of eye-lens to make it thicker and increase its converging power
NA
Promotional Banner

Topper's Solved these Questions

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    LAKHMIR SINGH & MANJIT KAUR|Exercise Very Short Answer Type Questions|13 Videos

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    LAKHMIR SINGH & MANJIT KAUR|Exercise Questions Based on High Order Thinking Skills|7 Videos

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    LAKHMIR SINGH & MANJIT KAUR|Exercise Velue Based Questions|25 Videos

  • TEST PAPER 4

    LAKHMIR SINGH & MANJIT KAUR|Exercise SECTION A|10 Videos

Similar Questions

Explore conceptually related problems

What changes the shape of lens in the eye ?

When the object is moved slightly closer to a converging lens, the image may

What happens to the image distance in the eye when we increase the distance of an object from the eye ?

What kind of lens is there in our eyes? Where does it form the image of an object?

The lens in an overhead projector forms an image P^(') of a point P on an overhead tranparency, If the screen is moved closer to the projector to keep the image on the screen in focus, the lens must be

How does the eye change in order to focus on near or distant objects ?

LAKHMIR SINGH & MANJIT KAUR-THE HUMAN EYE AND THE COLOURFUL WORLD -Exercise
  1. Suggest how your irises help to protect the retinas of your eyes from ...

    Text Solution

    |

  2. (a) Which parts of the eye cause rays of light to converge on the reti...

    Text Solution

    |

  3. An object is moved closer to an eye. What changes must take place in t...

    Text Solution

    |

  4. Why does the eye-lens not have to do all the work of converging incomi...

    Text Solution

    |

  5. Name one of the common defects of vision and the type of lens used to ...

    Text Solution

    |

  6. Name the defect of vision in a person : (a) whose near point is more...

    Text Solution

    |

  7. Which defect of vision can be rectified : (a) by using a concave len...

    Text Solution

    |

  8. What type of lens is used to correct (a) hypermetropia (b) myopia ?

    Text Solution

    |

  9. What is the other name of (a) myopia (b) hypermetropia ?

    Text Solution

    |

  10. What is the scientific name of (a) short-sightedness, and (b) long-sig...

    Text Solution

    |

  11. What kind of lens is used to correct (a) short-sightedness (b) long-s...

    Text Solution

    |

  12. State whether the following statement is true or false : Short-sight...

    Text Solution

    |

  13. Name the defect of vision in which the eye-lens loses its power of acc...

    Text Solution

    |

  14. Name the defect of vision which makes the eye-lens cloudly resulting i...

    Text Solution

    |

  15. What is the other name of old age hypermetropia ?

    Text Solution

    |

  16. Name any two defects of vision which can be corrected by using spectac...

    Text Solution

    |

  17. Name one defect of vision (or eye) which cannot be corrected by any ty...

    Text Solution

    |

  18. What is the far point of a person suffering from hypermetropia (or sho...

    Text Solution

    |

  19. Where is the near point of a person suffering from hypermetropia (or l...

    Text Solution

    |

  20. A man can read the number of a distant bus clearly but he finds diffic...

    Text Solution

    |