Home
Class 12
PHYSICS
The ability of eye-lens to adjust its fo...

The ability of eye-lens to adjust its focal length is called……. .

A

binocular vision

B

myopia

C

hypermeteria

D

accomodation.

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

Power of a lens is -5d, its focal length is:

Define focal length of a lens

The power of a lens is 2 dioptre its focal length will be…. .

The radius of curvature of eithr face of a conex lens is equal to ts focal length .What is the refractive index of its material?

A convex lens is in contact with concave lens .The magnitude of the ratio of their focal length is 2//3 .Their equivalent focal length is 30 cm.What are their individual focal lengths?

The human eye can focus object at different distances by adjusting the focal length of the eye lens this is due to:

A convex lens is dipped in a liquid,whose refrctive index is equal to the refractive index of the lens.then,its focal length will

MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. The dispersive powers of the materials of the two lenses are in the r...

    Text Solution

    |

  2. Retina of eye corresponds to which part of camera?

    Text Solution

    |

  3. The ability of eye-lens to adjust its focal length is called……. .

    Text Solution

    |

  4. An astronomical telescope of ten fold angular magnification has a leng...

    Text Solution

    |

  5. The magnifying power of telescope is high,if

    Text Solution

    |

  6. To increse magnifying power of telescope,we sould increase:

    Text Solution

    |

  7. A telescope has focal elngth of objective and eyepiece as 200 cm and 5...

    Text Solution

    |

  8. If size of aperture is decreased,

    Text Solution

    |

  9. The objective with large aperture are used in telescope for

    Text Solution

    |

  10. If in Rmsden's eyepiece,the field lenses have focal lengths f1 and f2 ...

    Text Solution

    |

  11. Huygens' wave theory allows us to know:

    Text Solution

    |

  12. Which of the following does not support the wave nature of light?

    Text Solution

    |

  13. Huygen's wave theory of light could not explain

    Text Solution

    |

  14. Hiygens' concept of secondary waves

    Text Solution

    |

  15. In the ineterference pattern,the energy is

    Text Solution

    |

  16. Two waves of the same equency and intenisty superimpose with each othe...

    Text Solution

    |

  17. Two waves,whose inensitites re 9:16 are made to inrterefere.The ratio ...

    Text Solution

    |

  18. Two waves have intenstities in the ratio of 1:9.If these waves produce...

    Text Solution

    |

  19. When ligh wave suffers reflection at the interface between air and gla...

    Text Solution

    |

  20. Two sources of light of wavelenghs 2.500 overset @A and 3,500 overst @...

    Text Solution

    |