Home
Class 12
PHYSICS
Least distance of distinct vision is 25 ...

Least distance of distinct vision is 25 cm . Magnifying power of simple microscope of focal length 5 cm is

A

`1//5 `

B

5

C

`1//6`

D

6

Text Solution

Verified by Experts

The correct Answer is:
D

m = 1 + `(D)/(f) = 1 + (25)/(5) ` = 6.
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    ERRORLESS|Exercise PAST YEARS QUESTIONS|61 Videos
  • RAY OPTICS

    ERRORLESS|Exercise Assertion & Reason|30 Videos
  • RAY OPTICS

    ERRORLESS|Exercise NCERT BASED QUESTIONS ( Human Eye and Lens Camera )|15 Videos
  • MAGNETISM

    ERRORLESS|Exercise Assertion and Reason|22 Videos
  • WAVE OPTICS AND ELECTROMAGNETIC THEORY

    ERRORLESS|Exercise ASSERTION & REASON |27 Videos

Similar Questions

Explore conceptually related problems

When the object is placed 4 cm from the objective of a microscope, the final image formed coincides with the object. The final image is at the least distance of distinct vision (24 cm). If the magnifying power of the microscope is 15, calculate the focal lengths of the objective and eye-piece.

The focal lengths of the objective and eyepiece of a microscope are 4mm and 25 mm respectively, and the length of the tube is 16cm. If the final image is formed at infinity and the least distance of distinct vision is 25 cm, then calculate the magnifying power of the microscope.

In a simple microscope, the lens is held at a distance d from the eye and the image is formed at the least distance d of the distinct vision from the eye. What is the magnifying Power of the microscope ? Where f is the focal length of the lens.

The magnification produced by the objective lens of a compound microscope is 25. The focal length of eye piece is 5 cm and it forms find image at least distance of distinct vision. The magnifying power of the compound microscope is

What is the magnifying power of a simple microscope of focal length 5 cm, if the image is formed at the distance of distinct vision ?

The magnifying power of simple microscope is 6 when the image is formed at distance of distinct vision (25 cm) from its optical centre. The focal power of the simple microscope in dipotre is

The two lenses of a compound microscope are of focal lengths 2 cm and 5 cm. If an object is placed at a distance of 2.1 cm from the objetive of focal length 2 cm the final image forms at the least distance of distinct vision of a normal eye. Find the frnagnifying powerjof the microscope

ERRORLESS-RAY OPTICS-NCERT BASED QUESTIONS ( Microscope and Telescope)
  1. In order to increase the magnifying power of a compound microscope

    Text Solution

    |

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

    Text Solution

    |

  3. Least distance of distinct vision is 25 cm . Magnifying power of simpl...

    Text Solution

    |

  4. Magnification of a compound microscope is 30. Focal length of eye- pie...

    Text Solution

    |

  5. The focal lengths of the objective and of the eye-piece of a compound ...

    Text Solution

    |

  6. The length of the compound microscope is 14 cm. The magnifying power f...

    Text Solution

    |

  7. If the focal length of objective and eye lens are 1.2 cm and 3 cm resp...

    Text Solution

    |

  8. The head lights of a jeep are 1.2 m apart. If the pupil of the eye of ...

    Text Solution

    |

  9. A compound microscope has an eye piece of focal length 10 cm and an ob...

    Text Solution

    |

  10. Two points separated by a distance of 0.1 mm can just be resolved in a...

    Text Solution

    |

  11. In a compound microscope, the focal length of the objective and the ey...

    Text Solution

    |

  12. The magnifying power of a telescope is 9. When it is adjusted for para...

    Text Solution

    |

  13. At Kavalur in India, the astronomers using a telescope whose objective...

    Text Solution

    |

  14. For a telescope to have large resolving power the

    Text Solution

    |

  15. A Galileo telescope has an objective of focal length 100cm and magnif...

    Text Solution

    |

  16. To increase both the resolving power and magnifying power of a telecsc...

    Text Solution

    |

  17. Two convex lenses of focal lengths 0.3m and 0.05m are used to make a t...

    Text Solution

    |

  18. If tube length of astronomical telescope is 105 cm and magnifying powe...

    Text Solution

    |

  19. Which of the following is true for the minimum angular separation of t...

    Text Solution

    |

  20. Which of the following is not correct regarding the radio telescope

    Text Solution

    |