Home
Class 12
PHYSICS
Magnifying power of a telescope is m.If ...

Magnifying power of a telescope is m.If the focal length of the eye-piece is doubled,then its magnifying power will become

A

2 m

B

`m//2`

C

`sqrt2 m`

D

3 m

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

The magnifying power of telescope is high,if

Power of a lens is -5d, its focal length is:

Define resolving power of telescope.

When the length of a microscope tube is increased,its magnifying power

The power of a lens is 2 dioptre its focal length will be…. .

Answer the following questions: Magnifying power of a simple microscope is inversely proportional to the focal length of the lens. What then stops us from using a convex lens of smaller and smaller focal length and achieving greater and greater magnifying power?

The focal length of a plane glass plate is infinite and its power is zero.

Describe a Terrestrial telescope. Calculate its magnifying power.

MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. The convex lenses of focal lengths 0.3 m and 0.05 m are used to make a...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  7. A reflecting telescope utilizes

    Text Solution

    |

  8. The resolving power of a telescope depends upon

    Text Solution

    |

  9. Large aperture telescopes are used for

    Text Solution

    |

  10. Light has the following wave property:

    Text Solution

    |

  11. Which of the following produces a plane wavefront?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  16. Hiygens' concept of secondary waves

    Text Solution

    |

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

    Text Solution

    |

  18. Two points are situated at the same distance from a source of light bu...

    Text Solution

    |

  19. One important similarity between sound and light waves in that both

    Text Solution

    |

  20. Monochromatic light means

    Text Solution

    |