Home
Class 12
PHYSICS
Is the length of the instrument to be ch...

Is the length of the instrument to be changed if the focal length of the objective of an astronomical telescope is increased ?

Text Solution

Verified by Experts

The correct Answer is:
yes, the length will increase
Promotional Banner

Topper's Solved these Questions

  • OPTICAL INSTRUMENTS

    CHHAYA PUBLICATION|Exercise Exercise (short Answer Type Questions-I)|1 Videos

  • OPTICAL INSTRUMENTS

    CHHAYA PUBLICATION|Exercise Problem Set -I|16 Videos

  • OPTICAL INSTRUMENTS

    CHHAYA PUBLICATION|Exercise Exercise(Multiple choice questions)|18 Videos

  • Magnetic Properties of Materials

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|11 Videos

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise CBSE Scanner|29 Videos

Similar Questions

Explore conceptually related problems

The focal length of objective lens of astronomical telescope is

In an astronomical telescope, focal length of the objective is made

Define focal length of concave mirror.

In an astronomical telescope , focal length of the objective is made

If the focal length of objective lens is increased then magnifying power of the

Mention three differences between interference and diffraction. Why is the size of the objective of astronomical telescope generally large?

What is the focal length of sunglass?

Write two points of difference between astronomical telescope and binocular .

CHHAYA PUBLICATION-OPTICAL INSTRUMENTS-Exercise (Very short Answer Type Questions)
  1. For a normal eye the least distance of distinct vision is …….. Fill in...

    Text Solution

    |

  2. Vision of normal eye ranges from …… to ……… fill in the blanks.

    Text Solution

    |

  3. How can the defect of astigmatism be corrected ?

    Text Solution

    |

  4. The minimum distance of distinct vision for a person is 1m . What eye...

    Text Solution

    |

  5. …… is the eye -defect which old people usually suffer from fill in th...

    Text Solution

    |

  6. Cylindrical lens are used as a remedy for … fill in the blank.

    Text Solution

    |

  7. For long -sightedness , …… lens should be used [fill in the blank ].

    Text Solution

    |

  8. For short-sightedness , ….. Lens should be used fill in the the blank...

    Text Solution

    |

  9. If the least distance of distinct vision is D and focal length of th...

    Text Solution

    |

  10. If the length of the tube of a compound microscope is increased , the ...

    Text Solution

    |

  11. If the focal length of a microscope is small , magnification is ……[ fi...

    Text Solution

    |

  12. To increase magnification of a compound microscope , the objective and...

    Text Solution

    |

  13. In what type of telescope is the final image erect ?

    Text Solution

    |

  14. What is used for the objective of a reflecting telescope ?

    Text Solution

    |

  15. Write the names of two ordinary types of the telescope.

    Text Solution

    |

  16. Is the length of the instrument to be changed if the focal length of ...

    Text Solution

    |

  17. In an astronomical telescope , the focal length and the aperture of th...

    Text Solution

    |

  18. The final image is an astronomical telescope is …….and ……..with respec...

    Text Solution

    |

  19. The final image in a terrestrial telescope is ……….and ……….with respect...

    Text Solution

    |

  20. In Galileo's telescope , the objective is …..lens but the eyepiece is ...

    Text Solution

    |