Home
Class 12
PHYSICS
An object is placed in front of a conve...

An object is placed in front of a convex lens at a distance twice of focal length.A concave mirror is on the other side of the lens. The distance between lens and mirror is twice of the sum of their focal length.Find image distance, nature of image and the magnification.

Promotional Banner

Topper's Solved these Questions

  • MODEL PAPER SET-05

    UNITED BOOK HOUSE|Exercise EXERCISE|43 Videos

  • MODEL PAPER SET-07

    UNITED BOOK HOUSE|Exercise EXERCISE|47 Videos

Similar Questions

Explore conceptually related problems

An object is placed 20 cm from a convex lens of focal length 10 cm. The image must be-

An object is kept at a far off distance in front of a convex lens of focal length 15 cm. State the position of the image.

If the object and image distance is 30 cm of a convex lense then its focal length is

A 2.0cm tall object is placed 15cm in front of a concave mirror of focal length 10cm. What is the size and nature of the image?

An object is placed in fron of a concave mirror of focal length 20cm. The image formed is three times the size of the object. Calculate the two possible distances of the object from the mirror.

The focal length of a concave mirror is 20 cm . Where should an object be placed to get an image magnified twice?

An object of size 5cm is placed on the principal axis of a convex mirror at a distance of 10cm from it . The focal length of the convex mirror is 20cm. Determine the nature, position and size of the image formed.

UNITED BOOK HOUSE-MODEL PAPER SET-06-EXERCISE
  1. A thin metalic sheet is placed at .the mid position between the paral...

    Text Solution

    |

  2. A sensitive electric instrument is influenced by the strong electric f...

    Text Solution

    |

  3. An alpha particle and a proton particle are moving on the surface of a...

    Text Solution

    |

  4. What is optical fibre? An object is placed at a depth ‘d’ in a medium ...

    Text Solution

    |

  5. A glass prism is diped into a liquid of refractive index greater than ...

    Text Solution

    |

  6. What should be the change of angular width of central maximum in a sin...

    Text Solution

    |

  7. What should be the change of angular width of central maximum in a sin...

    Text Solution

    |

  8. What should be the change of angular width of central maximum in a sin...

    Text Solution

    |

  9. The velocity of an electron is v and that of another particle is 3v. T...

    Text Solution

    |

  10. Write down the Einstein’s equation in photoelectric effect. Explain th...

    Text Solution

    |

  11. ‘The energy of x-Ray is greater than visible light’— explain.

    Text Solution

    |

  12. What is the name of the reverse process of X-ray production?

    Text Solution

    |

  13. Draw a circuit diagram of full wave rectifier using p-n Junction. diod...

    Text Solution

    |

  14. Draw a circuit diagram of OR gate using p-n junction diode. Give truth...

    Text Solution

    |

  15. Compare the properties of conductor, semiconductor and insulator in th...

    Text Solution

    |

  16. An amount of water in an electric kettle reaches at its boiling poin...

    Text Solution

    |

  17. In a potentiometer experiment the null point is obtained at 5.20 m fo...

    Text Solution

    |

  18. In a circuit an e.m.f. E = E0 sin wt and current I = I0 sin + (wt+pi/6...

    Text Solution

    |

  19. Show that the minimum distance between the object and the screen is 4...

    Text Solution

    |

  20. An object is placed in front of a convex lens at a distance twice of ...

    Text Solution

    |