Home
Class 12
PHYSICS
Magnifying power of a Galilean telescope...

Magnifying power of a Galilean telescope is given by

A

`f_(o)/(f_(e))(1-f_(e)/D)`

B

`f_(o)/(f_(e))(1+f_(e)/D)`

C

`f_(o)/(f_(e))(1+(2f_(e))/D)`

D

`f_(o)/(f_(e))(1-(2f_(e))/D)`

Text Solution

Verified by Experts

The correct Answer is:
A

(a) Magnifying power of a Gallilean telescope is given by,
`m=f_(o)/(f_(e))(1-f_(e)/D)`
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    DC PANDEY|Exercise Checkpoint 9.7|10 Videos
  • RAY OPTICS

    DC PANDEY|Exercise Exercise|171 Videos
  • RAY OPTICS

    DC PANDEY|Exercise Checkpoint 9.5|10 Videos
  • NUCLEI

    DC PANDEY|Exercise C MADICAL ENTRANCES GALLERY|46 Videos
  • REFLECTION OF LIGHT

    DC PANDEY|Exercise Subjective|9 Videos

Similar Questions

Explore conceptually related problems

The focal lengths of objective lens and eye lens of a Galilean telescope are respectively 30 cm and 3.0 cm. telescope produces virtual, erect image of an object situated far away from it at least distance of distinct vision from the eye lens. In this condition, the magnifying power of the Galilean telescope should be:

The resolving power of a telescope is given by

Magnifying power of an astronomical telescope is M.P. If the focal length of the eye-piece is doubled, then its magnifying power will become

The minimum magnifying power of an astronomical telescope is M. If the focal length of its eye-lens is halved, the minimum magnifying power will become:

The minimum magnifying power of an astronomial telescope is M . If the focal length of its eye-lens is halved, how much times the minimum magnifying power will increase.

The magnifying power of an astronomical telescope is 5, the focal power of its eye piece is 10 diopters. The focal power of its objective (in diopters) is

Magnifying power of a telescope is

The magnifying power of an astronomical telescope can be increased, if we-

DC PANDEY-RAY OPTICS-Checkpoint 9.6
  1. For a normal eye, the least distance of distinct vision is

    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

    |