Home
Class 11
PHYSICS
A point object is situated in air at a d...

A point object is situated in air at a distance of 20 cm from a convex refracting surface of 5cm radius. The position of the image is `[ mu=1.5]`

A

40 cm

B

30 cm

C

25 cm

D

15 cm

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Motion in a plane

    TARGET PUBLICATION|Exercise Exercise|340 Videos

  • RAY OPTICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|16 Videos

Similar Questions

Explore conceptually related problems

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.

A point object is placed at a distance of 30 cm from a convex mirror of focal length 30 cm. The image will form at

An object is placed at a distance of f//2 from a convex lens. The image will be

An object is placed at a distance of 15 cm from a convex lens.If the focal length of the lens is 60cm,find the image distance.

An object is placed vertically at a distance of 20 cm from a convex lens .If the height of the object is 5 cm and the focal length of the lens is 10 cm, what will be the position, size and nature of the image? How much bigger will the image be as compared to the object?

Solve the following examples/ numerical problems: 5 cm high object is placed at a distance of 25 cm from a converging lens of focal length of 10 cm .Determine the position , size and type of the image.

5 cm high object is placed at a distance of 25 cm from a converging lens of focal length 10 cm. Determine the position ,size and type or the image.

An object is placed at a distance of 15 cm from a convex mirror of curvature 90 cm. The image position and magnification respectively are at

An object is placed at a distance of 36 cm from a concave mirror of focal length 12 cm. Find the image distance.

TARGET PUBLICATION-OPTICS-EXERCISE
  1. The correct expression for refraction at single convex spherical surfa...

    Text Solution

    |

  2. The reciprocalof ((mu(2)-mu(1))/(R)) gives the value of

    Text Solution

    |

  3. A point object is situated in air at a distance of 20 cm from a convex...

    Text Solution

    |

  4. The focal length of a lens depends upon

    Text Solution

    |

  5. The lense formula with normal notation is given by

    Text Solution

    |

  6. The lens maker's equation is given by

    Text Solution

    |

  7. For convex lens, the radii of curvatures of the first and second surfa...

    Text Solution

    |

  8. A beam of light is incident on a convex lens nparallel to its principa...

    Text Solution

    |

  9. An object is kept at 0.2 m from a convex lens of focal length of 0.15 ...

    Text Solution

    |

  10. A convex lens of focal length f produces a real image 3 times as that ...

    Text Solution

    |

  11. when an object is kept in frnt of a convex lens the distance between i...

    Text Solution

    |

  12. What is the focal length of double convex lens for which radius of cur...

    Text Solution

    |

  13. A plano-convex lens has focal length of 20 cm. the radius of its sph...

    Text Solution

    |

  14. The focal length of concave lens, accroding to new Cartesiaon sign co...

    Text Solution

    |

  15. A diverging lens may NOT have

    Text Solution

    |

  16. A concave lens of focal length f produces an image (1)/(4) of the size...

    Text Solution

    |

  17. A concave lens has radioi of curvatures of 20 cm and 30 cm respective...

    Text Solution

    |

  18. The radius of curvature of each surface of a biconcave lens made up of...

    Text Solution

    |

  19. A single lens, which will form the image of a given object at the same...

    Text Solution

    |

  20. Two thin lenses may be combined so as to

    Text Solution

    |