Home
Class 12
PHYSICS
A compound microscope has an objective o...

A compound microscope has an objective of focal length 2 cm and eye-piece of focal length 5 cm. The distance between the two lenses is 25 cm. If the final image is at a distance of 25 cm from the eye-piece, find the magnifying power of the microscope. What would be the magnifying power if the microscope were reversed ?

Text Solution

Verified by Experts

The correct Answer is:
56.5
Promotional Banner

Topper's Solved these Questions

  • GEOMETRICAL OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs with One or More Options Correct|30 Videos
  • ELECTROSTATICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numberical Problems|73 Videos
  • HEAT AND THERMAL EXPANSION

    PHYSICS GALAXY - ASHISH ARORA|Exercise UNSOLVED NUMRICAL PROBLEMS FOR PREPARATION OF NSEP, INPhO & IPhO|82 Videos

Similar Questions

Explore conceptually related problems

A compound microscope has an objective of focal length 2.0 cm and an eye-piece of focal length 6.25cm and distance between the objective and eye-piece is 15cm . If the final image is formed at the least distance vision (25 cm) , the distance of the object form the objective is

A microscope has an objective of focal length 1.5 cm and eye piece of focal length 2.5 cm . If the distance between objective and eyepiece is 25 cm . What is the approximate value of magnification produced for relaxed eye ?

A telescope has an objective of focal length 100 cm and an eye-piece of focal length 5 cm. What is the magnifying power of the telescope when it is in normal adjustment?

An astronomical telescope has an objective of focal length 100 cm and an eye piece of focal length 5 cm. The final image of a star is seen 25 cm from the eyepiece. The magnifying power of the telescope is

A compound microscope has an objective of focal length 2 cm and an eye-piece of focal length 3 cm . An object is placed at a distance of 2.4cm in front of the field lens. Find the magnifying power of the instrument and length of the tube is (a) final image is at infinity and (b) final image is at least distance of distinct vision.

In a compound microscope, the objective and eye piece have focal lengths 0.95 cm and 5 cm respectively, and are kept at a distance of 20 cm . The final image is formed at a distance of 25 cm from the eye piece. Calculate the position of the object and the total magnification.

A compound microscope has an objective lens of 1.0 cm focal length and an eye-piece of 2.5 cm of focal length. When the object is placed at 1.1 cm from the objective, the final image is at the least distance of direct vision. Thus, the magnification produced is

In a simple microscope, if the final image is located at 25 cm from the eye placed close to the lens, then the magnifying power is:

PHYSICS GALAXY - ASHISH ARORA-GEOMETRICAL OPTICS-Unsolved Numerical Problems
  1. A prism has refractive index sqrt((3)/(2)) and refractive angle 90^@. ...

    Text Solution

    |

  2. Image of an object approaching a convex mirror of radius of curvature ...

    Text Solution

    |

  3. A ray is incident on a glass sphere as shown.The opposite surface of t...

    Text Solution

    |

  4. Light is incident normally on the short face of a 30^@-60^@-90^@ prism...

    Text Solution

    |

  5. A convex lens of crown glass is perfectly cemented to a plano-concave ...

    Text Solution

    |

  6. A converging system of convex lenses free from chromatic aberration an...

    Text Solution

    |

  7. For a ray of light refracted through a prism of angle 60^(@), the angl...

    Text Solution

    |

  8. ln a biprism experiment, 21 fringes are seen distinctly on a screen at...

    Text Solution

    |

  9. In a direct vision spectroscope there are two flint glass prisms each ...

    Text Solution

    |

  10. An achromatic doublet of focal length 50 cm is used as an objective of...

    Text Solution

    |

  11. A ray of light incident normally on one of the faces of a right-angle ...

    Text Solution

    |

  12. In a double slit experiment ,the separation between the slits is d=0.2...

    Text Solution

    |

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

    Text Solution

    |

  14. Two lenses in contact made of materials with dispersive powers in the ...

    Text Solution

    |

  15. A compound microscope has an objective of focal length 2 cm and eye-pi...

    Text Solution

    |

  16. A convex lens of focal length 15 cm is placed in front of a convex mir...

    Text Solution

    |

  17. An object of height 4 cm is kept to the left of and on the axis of a c...

    Text Solution

    |

  18. The refractive index of the material of a prism of refracting angle 45...

    Text Solution

    |

  19. A point source of light S is placed at the bottom of a vessel containi...

    Text Solution

    |

  20. A ray of light is incident on a prism ABC of mu = sqrt(3) as shown in ...

    Text Solution

    |