Home
Class 11
PHYSICS
When as tronomical telescope is adjuste...

When as tronomical telescope is adjusted for normal adjustment the finla image is formed at

A

infinity

B

D.D.V. from eye piece.

C

D.D.V from objective

D

focus of eye-piece.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    TARGET PUBLICATION|Exercise CRITICALTHINKING|38 Videos

  • RAY OPTICS

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|68 Videos

  • OPTICS

    TARGET PUBLICATION|Exercise EXERCISE|447 Videos

  • REFRACTION OF LIGHT

    TARGET PUBLICATION|Exercise EVALUATION TEST|15 Videos

Similar Questions

Explore conceptually related problems

The length (L) of the astronomical telescope, for normal adjustment is

Magnifying power of a telescope in normal adjustment when final images of a star is formed at infinity is 9. the image of a star is formed at

In an astronomical telescope in normal adjustment a straight black line of length L is drawn on inside part of objective lens. The eye piece forms a real image of this line. The length of this image is I . The magnification of the telescope is

A convex lens of focal length 12.5 cm is used as a simple microscope. When the image is formed at infinite, magnification is _______ (Near point for the normal vision is 25 cm).

An astronomical telescope has an angular magnification of magnitude 5 for distant object. The separation between the objective and the eyepiece is 36 cm and the final image is formed at infinity. The focal length f_(0) of the objective and the focal length f_(0) of the eyepiece are

When the stationary waves are formed, then

A dikaryon is formed when

TARGET PUBLICATION-RAY OPTICS-EVALUATION TEST
  1. When as tronomical telescope is adjusted for normal adjustment the fi...

    Text Solution

    |

  2. When image is fomred by reflaction, the field of veiw is maximum for

    Text Solution

    |

  3. A candle flame 2 cm high is placed at distance of 2 meter from a wall....

    Text Solution

    |

  4. An infinitely long rod lies along the axis of a concave mirror of foca...

    Text Solution

    |

  5. Assertion : If objective and eye lens of a mcroscope are interchanged ...

    Text Solution

    |

  6. The convex surface of a thin concavo-convex lens of glass of refractiv...

    Text Solution

    |

  7. Focal length of a convex/ concave mirror depends on

    Text Solution

    |

  8. A convex lens focal lenghts 30 cm made of glass of refractive index 1....

    Text Solution

    |

  9. Magnifying power of a telescope in normal adjustment when final images...

    Text Solution

    |

  10. Two plano-concave lenses (1 and 2) of glass of refractive index 1.5 ha...

    Text Solution

    |

  11. Assertion : If radius of curvature of mirror is doubled, focal length ...

    Text Solution

    |

  12. An experiment needs to heat a small sample to 700 K, but the only avai...

    Text Solution

    |

  13. Assertion : A dentist uses a convex mirror to examine a small cavity i...

    Text Solution

    |

  14. A man with normal near- point (25c m) reads a book with small print us...

    Text Solution

    |

  15. For a given compound microscope, increase in length of tube

    Text Solution

    |

  16. Which of the following (referred to a spherical mirror) do (does) not ...

    Text Solution

    |

  17. Assertion : A single lens produces a coloured image of an object illum...

    Text Solution

    |