Home
Class 12
PHYSICS
Why is a normal eye not able to see clea...

Why is a normal eye not able to see clearly the objects placed closer than 25 cm?

A

the focal length of the eye - lens is 25 cm

B

the distance between the eye-lens and retina is 25 cm

C

the eye-lens cannot decreases its focal length beyond a limit

D

the eye-lens cannot decrease its distance from the retina beyond a limit.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • UNIT TEST -06

    MODERN PUBLICATION|Exercise EXERCISE|461 Videos

  • TEXUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|195 Videos

  • UNIT TEST -07

    MODERN PUBLICATION|Exercise EXERCISE|154 Videos

Similar Questions

Explore conceptually related problems

Why cats and bats are able to see at night?

If far point of myopic person is 50 cm in front of the eye, what is the power of lens required to enable him to see very distant objects clearly ?

MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. The focal length of the normal eye-lens is approximaterly

    Text Solution

    |

  2. The distances of the human eye-lens from the retina is x.For a normal ...

    Text Solution

    |

  3. Why is a normal eye not able to see clearly the objects placed closer ...

    Text Solution

    |

  4. When we view objects lying at differnt distances from the eye,which fo...

    Text Solution

    |

  5. Draw a ray diagram to show the image formation by a simple microscope....

    Text Solution

    |

  6. If the least distance of distinct vision is 25 cm,then a convex lens o...

    Text Solution

    |

  7. The convex lenses of focal lengths 0.3 m and 0.05 m are used to make a...

    Text Solution

    |

  8. An observer looks at a tree of height 15 m with a telescope of magnify...

    Text Solution

    |

  9. Magnifying power of a telescope is m.If the focal length of the eye-pi...

    Text Solution

    |

  10. A fly is sitting on the objective of a telescope pointed to the moon.W...

    Text Solution

    |

  11. A telescpe is focussed on the moon.If a tiny drop of ink falls on its ...

    Text Solution

    |

  12. For observing a cricket match,binocular is prefferred to tererestrial ...

    Text Solution

    |

  13. A reflecting telescope utilizes

    Text Solution

    |

  14. The resolving power of a telescope depends upon

    Text Solution

    |

  15. Large aperture telescopes are used for

    Text Solution

    |

  16. Light has the following wave property:

    Text Solution

    |

  17. Which of the following produces a plane wavefront?

    Text Solution

    |

  18. As a plane wavefront propagates, its radius of curvature

    Text Solution

    |

  19. A plane wavefront is propagating in a medium.Which of the following is...

    Text Solution

    |

  20. Which of the following is a correct statement ?The ray of light

    Text Solution

    |