Home
Class 12
PHYSICS
If the least distance of distinct vision...

If the least distance of distinct vision is 25 cm,then a convex lens of focal length 5 cm acts as a magnifier of magnifying power

A

5

B

less than 5

C

6

D

more than6.

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

What is least distance of distinct vision?

An object of size 5 cm is placed at distance of 25 cm in front of a convex lens of focal length 20 cm. Find the size and nature of image and its distance from the lens.

An object is placed at a distance 5 cm from a convex lens of focal lenth 10 cm.Calculate the position nd magnifiation of the image.

A man with normal near point (25 cm) reads a book with small print using a magnifying glass: a thin convex lens of focal length 5 cm- What is the maximum and the minimum angular magnification (magnifying power) possible using the above simple microscope?

With the help of ray diagram, describe the constru¬ ction, working of acompound microscope when the final image is formed at least distance of distinct vision (D = 25 cm). Derive an expression for its magnifying power (m)

A telescope has an objective of focal length 50 cm and eye-piece of focal length 5 cm.the last distance of distinct vision is 25 cm.The telescope is focussed for ditinct vision on a scale 200 cm awya from teh objective.Caculate the magnification produced.

A telescope has an objective of focal length 50 cm and eye-piece of focal length 5 cm.the last distance of distinct vision is 25 cm.The telescope is focussed for ditinct vision on a scale 200 cm awya from teh objective.Caculate the sepration between the objective and eye-piece

A concave lens is placed in contact with a convex lens of focal length 25 cm.The combination produces a real image at adistance of 80 cm, when an object is at a distance of 40 cm. What is the focallength of concave lens ?

MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. When we view objects lying at differnt distances from the eye,which fo...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  10. A reflecting telescope utilizes

    Text Solution

    |

  11. The resolving power of a telescope depends upon

    Text Solution

    |

  12. Large aperture telescopes are used for

    Text Solution

    |

  13. Light has the following wave property:

    Text Solution

    |

  14. Which of the following produces a plane wavefront?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. Though quantum theory of light can explain a number of phenomena obser...

    Text Solution

    |

  19. Hiygens' concept of secondary waves

    Text Solution

    |

  20. Which one off the following phenomena is not explained by Huygens' con...

    Text Solution

    |