Home
Class 12
PHYSICS
The least distance of distinct vision fo...

The least distance of distinct vision for a young adult with normal vision is about

A

0.25 m

B

0.50 m

C

25 m

D

infinite

Text Solution

Verified by Experts

The correct Answer is:
A
(a) normal eye, the least distance of distinct vision is 0.25 m.
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    DC PANDEY ENGLISH|Exercise Checkpoint 9.7|10 Videos

  • RAY OPTICS

    DC PANDEY ENGLISH|Exercise Exercise|170 Videos

  • RAY OPTICS

    DC PANDEY ENGLISH|Exercise Checkpoint 9.5|10 Videos

  • NUCLEI

    DC PANDEY ENGLISH|Exercise C MADICAL ENTRANCES GALLERY|46 Videos

  • REFLECTION OF LIGHT

    DC PANDEY ENGLISH|Exercise Subjective|9 Videos

Similar Questions

Explore conceptually related problems

The two lenses of a compound microscope are of focal lengths 2 cm and 5 cm. If an object is placed at a distance of 2.1 cm from the objective of focal length 2 cm the final image forms at the final image forms at the least distance of distinct vision of a normal eye. Find the magnifying power of the microscope.

For a normal eye, the least distance of distinct vision is

For a normal eye, the least distance of distinct vision is……..and far point is………… .

A telescope has an objective of focal length 50 cm and eye piece of focal length 5 cm . The least distance of distinct vision is 25 cm . The telescope is focussed for distinct vision on a scale 200 cm away from the objective. Calculate (i) the separation between objective and eye piece (ii) the magnification produced.

The focal length of objective and eye lens of a microscope are 4 cm and 8 cm respectively. If the least distance of distinct vision is 24 cm and object distance is 4.5 cm from the objective lens, then the magnifying power of the microscope will be

The focal length of objective and eye lens of a microscope are 4 cm and 8 cm respectively. If the least distance of distinct vision is 24 cm and object distance is 4.5 cm from the objective lens, then the magnifying power of the microscope will be

Draw a neat labelled ray diagram showing the formation of an image at the least distance of distinct vision D by a simple microscope. When the final image is at D, derive an expression for its magnifying power at D.

A compound microscope has a magnifying power 30. the focal length of its eyepiece is 5 cm. assuming the final image to be formed at least distance of distinct vision (25 cm), calculate the magnification produced by the objective.

In a compound microscope consisting of two convex lenses of focal lengths 1.5 cm and 10 cm, the object is 2 cm from the objective and the final image is formed at the least distance of distinct vision (D=25cm) . Find the distance of separation of the two lenses.

Draw a labelled ray diagram of an image formed by a compound microscope with final image formed at the least distance of distinct vision (D). Derive an expression for its magnifying power (in terms of V_(0), U_(0),f_(c) and D).

DC PANDEY ENGLISH-RAY OPTICS-Checkpoint 9.6
  1. The least distance of distinct vision for a young adult with normal vi...

    Text Solution

    |

  2. When we see an object, image formed on the retina is (i) real (ii) v...

    Text Solution

    |

  3. The focal length of a normal eye lens is about

    Text Solution

    |

  4. An object is placed at a distance u from a simple microscope of focal ...

    Text Solution

    |

  5. Magnifying power of a simple microscope is (when final image is formed...

    Text Solution

    |

  6. In a compound microscope, the intermediate image is

    Text Solution

    |

  7. A compound microscope has two lenses. The magnifying power of one is 5...

    Text Solution

    |

  8. The length of the compound microscope is 14 cm. The magnifying power f...

    Text Solution

    |

  9. If the focal length of objective and eye lens are 1.2 cm and 3 cm resp...

    Text Solution

    |

  10. The focal length of objective and eye lens of a microscope are 4 cm an...

    Text Solution

    |

  11. If the telescope is reversed .i.e., seen seen from the objective side,...

    Text Solution

    |

  12. The aperture of a telescope is made large, because

    Text Solution

    |

  13. In an astronomical telescope, the focal length of the objective lens i...

    Text Solution

    |

  14. The focal lengths of the objective and eye lenses of a telescope are r...

    Text Solution

    |

  15. The number of lenses in a terrestrial telescope is

    Text Solution

    |

  16. Magnifying power of a Galilean telescope is given by

    Text Solution

    |

  17. In Gallilean telescope, the final image formed is

    Text Solution

    |

  18. Reflecting telescope consists of

    Text Solution

    |

  19. Resolving power of a microscope is given by

    Text Solution

    |

  20. The resolving power of a telescope whose lens has a diameter of 1.22 m...

    Text Solution

    |