Home
Class 12
PHYSICS
The focal length of the eyepiece and the...

The focal length of the eyepiece and the objective of an astronomical telescope are 2cm and 100cm respectively. Find the magnifying power of the telescope for normal adjustment and the length of the telescope.

A

50, 102 cm

B

100, 204 cm

C

25, 62 cm

D

75, 125 cm

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • OPTICAL INSTRUMENTS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE -I) (OPTICAL INSTRUMENTS) (LEVEL-I (MAIN)) (SUBJECTIVE OBJECTIVE TYPE QUESTIONS)|21 Videos
  • NUCLEI

    AAKASH SERIES|Exercise Practice Exercise|40 Videos
  • PHYSICAL WORLD

    AAKASH SERIES|Exercise Exercise -I|10 Videos

Similar Questions

Explore conceptually related problems

The focal length of the lenses of an astronomical telescope are 50 cm and 5 cm. The length of the telescope when the image is formed at the least distance of distinct vision is

An astronomical telescope has a length of 310 cm and a magnifying power of 30. The focal length of its objective is

AAKASH SERIES-OPTICAL INSTRUMENTS -PRACTICE SHEET (EXERCISE -I) (OPTICAL INSTRUMENTS) (LEVEL-I (MAIN)) (SUBJECTIVE OBJECTIVE TYPE QUESTIONS)
  1. The maximum magnification that can be obtained with convex lens of foc...

    Text Solution

    |

  2. The objective lens of a compound microscope produces magnification of ...

    Text Solution

    |

  3. Four lenses A, B, C and D of power +100D, -50D, 20D and 5D. Which lens...

    Text Solution

    |

  4. A microscope consists of two convex lenses of focal lengths 2.0 cm and...

    Text Solution

    |

  5. The two lenses of a compound microscope are of focal lengths 2 cm and ...

    Text Solution

    |

  6. The magnifying power of an astronomical telescope for normal adjustmen...

    Text Solution

    |

  7. A telescope, consisting of an objective of focal length 60 cm and a si...

    Text Solution

    |

  8. An astronomical telescope has an angular magnification of magnitude 5 ...

    Text Solution

    |

  9. If tube length Of astronomical telescope is 105cm and magnifying power...

    Text Solution

    |

  10. The focal length of the eyepiece and the objective of an astronomical ...

    Text Solution

    |

  11. A converging lens of 2.5cm focal length is used as a simple microscope...

    Text Solution

    |

  12. A compound microscope is of magnifying power 100". The magnifying powe...

    Text Solution

    |

  13. The minimum magnifying power of a telescope is M. If the focal length ...

    Text Solution

    |

  14. The magnifying power of an astronomical telescope for relaxed vision i...

    Text Solution

    |

  15. The focal length of objective and the eyepiece of a compound microscop...

    Text Solution

    |

  16. The magnifying power of an astronomical telescope is 8 and the distanc...

    Text Solution

    |

  17. Focal length of the objective of a terrestrial telescope is 80 cm and,...

    Text Solution

    |

  18. A person cannot see objects clearly beyond 50.cm. The power of lens to...

    Text Solution

    |

  19. A person with a defective sighi is using a lens-having a power of +2D....

    Text Solution

    |

  20. A person wears glases of power -2.5 D. The defect of the eye and far p...

    Text Solution

    |