Home
Class 10
PHYSICS
What changes the shape of lens in the ey...

What changes the shape of lens in the eye ?

Text Solution

Verified by Experts

The correct Answer is:
Ciliary muscles
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 take place in the shape of eye-lens : (a) when the eye is focused on a near object ? (b) when the eye is focused on a distant object ?

Give the scientific names of the following parts of the eye : (a) carries signals from an eye to the brain. (b) muscles which change the shape of the eye-lens. (c) a hole in the middle of the iris. (d) a clear window at the front of the eye. (e) changes shape of focus a picture on the retina.

The shape of eye lens is changed by

What is the power of the lens, if the far point of a short- sighted eye is 200 cm?

A normal eye has retina 2 cm behind the eye-lens. What is the power of the eye-lens when the eye is (a) fully relaxed, (b) most strained?

The ability of the lens in human eye to change the power of the lens to be able to see the near and far off distances is called the power of __________,

The eye lens is a

The ciliary muscles can change the focal length of the eye lens. Find the ratio of focal lengths of the eye lens when it is focused on two different objects, one at a distanace of 2 m and the other at a distanc of 1 m. The diameter of normal eye is 2.5 cm.

LAKHMIR SINGH & MANJIT KAUR-THE HUMAN EYE AND THE COLOURFUL WORLD -Exercise
  1. What is the principal function of the eye-lens ?

    Text Solution

    |

  2. Where does the greatest degree of refraction of light occur in the eye...

    Text Solution

    |

  3. What changes the shape of lens in the eye ?

    Text Solution

    |

  4. What do the ciliary muscles do when you are focusing on a nearby objec...

    Text Solution

    |

  5. What is the least distance of distinct vision for a normal human eye ?

    Text Solution

    |

  6. What is the : (a) far point of a normal human eye ? (b) near point...

    Text Solution

    |

  7. What is the range of vision of a normal human eye ?

    Text Solution

    |

  8. Name the part of our eyes which helps us to focus near and distant obj...

    Text Solution

    |

  9. Define the term "power of accommodation" of human eye.

    Text Solution

    |

  10. Give the scientific names of the following parts of the eye : (a) ca...

    Text Solution

    |

  11. Fill in the following blanks with suitable words : (a) Most of the r...

    Text Solution

    |

  12. Why is normal eye not able to see clearly the objects placed closer th...

    Text Solution

    |

  13. What changes take place in the shape of eye-lens : (a) when the eye ...

    Text Solution

    |

  14. The eye of a person are focused (i) on a nearby object, and (ii) on a ...

    Text Solution

    |

  15. What change is made in the eye to enable it to focus on objects situat...

    Text Solution

    |

  16. How is the amount of light entering the eye controlled ?

    Text Solution

    |

  17. What happens to the eye when you enter a darkened cinema hall from bri...

    Text Solution

    |

  18. Why does it take some time to see objects in a dim room when you enter...

    Text Solution

    |

  19. A person walking in a dark corridor enters into a brightly lit room : ...

    Text Solution

    |

  20. Ciliary muscles of human eye can contract or relax. How does it help i...

    Text Solution

    |