Home
Class 10
PHYSICS
A real image is obtained at 30 cm from a...

A real image is obtained at 30 cm from a convex lens of focal length 7.5 cm .Find the distance of the object from tne lens .

Promotional Banner

Topper's Solved these Questions

  • LENSES

    NAVNEET PUBLICATION|Exercise EXERCISE|280 Videos

  • HEAT

    NAVNEET PUBLICATION|Exercise EXERCISE|135 Videos

  • REFRACTION OF LIGHT

    NAVNEET PUBLICATION|Exercise EXERCISE|141 Videos

Similar Questions

Explore conceptually related problems

Find the power of a convex lens of focal length 12.5 cm.

Find the power of a convex lens of focal length 40 cm.

An object is kept at 0.2m from a convex lens of focal length 0.15 m. Find the position of the image produced.

An object is kept at 60 cm in front of a convex lens of focal length 15 cm . Find the image distance and the nature of the image . Also find the magnification produced by the lens.

Calculate the power of convex lens of focal length 15 cm.

Solve the following examples/ numerical problems: An object is placed at 10 cm from a convex lens of focal length 12 cm . Find the nature and position of the image .

The power of convex lens of focal length 50 cm is______

An object is placed at a distance of 10cm from a convex lens of focal length 12cm.Find the position and nature of the image.

An image is formed 5 cm behind a convex mirror of focal length 10 cm. At what distance is the object placed from the mirror?

An image is formed 5 cm behind a convex mirror of focal length 10 cm. At what distance is the object placed from the mirror?

NAVNEET PUBLICATION-LENSES-EXERCISE
  1. Solve the following examples/ numerical problems: Calculate the foca...

    Text Solution

    |

  2. Three lenses having power 2, 2.5 and 1.7 D are kept touching in a row....

    Text Solution

    |

  3. Solve the following examples/ numerical problems: Two convex lenses ...

    Text Solution

    |

  4. Solve the following examples/ numerical problems: Two convex lenses ...

    Text Solution

    |

  5. Solve the following examples/ numerical problems: < br > If a convex l...

    Text Solution

    |

  6. Find the focal length of a convex lens which produces a real image at ...

    Text Solution

    |

  7. Find the focal length of a convex lens which produces a virtual image ...

    Text Solution

    |

  8. A real image is obtained at 30 cm from a convex lens of focal length 7...

    Text Solution

    |

  9. An object is kept at 20 cm in front of a convex lens its real image is...

    Text Solution

    |

  10. An object is kept at 10 cm in front of a convex lens . Its image is f...

    Text Solution

    |

  11. An object is kept at 60 cm in front of a convex lens of focal length 1...

    Text Solution

    |

  12. An object of height 2 cm is kept at 30 cm from a convex lens . Its rea...

    Text Solution

    |

  13. If the power of a lens is 4 dioptres , find its focal length.

    Text Solution

    |

  14. Find the power of a convex lens of focal length 40 cm.

    Text Solution

    |

  15. Find the power of a convex lens of focal length 12.5 cm.

    Text Solution

    |

  16. If for a lens , f= -20 cm, what is the power of the lens ?

    Text Solution

    |

  17. An object of height 4 cm is kept in front of a concave lens of focal l...

    Text Solution

    |

  18. If two convex lenses of focal lengths 10 cm and 5 cm are kept in conta...

    Text Solution

    |

  19. If a convex lens of focal length 20 cm and a concave lens of focal len...

    Text Solution

    |

  20. If a concave lens of focal length 12 cm and a convex lens of focal len...

    Text Solution

    |