Home
Class 12
PHYSICS
A short linear object of length b lies a...

A short linear object of length b lies along the axis of a concave mirror of focal length fat a distance u from the pole of the mirror, what is the size of image?

A

`b((u-f)/(f))^((1)/(2))`

B

`b((f)/(u-f))^((1)/(2))`

C

`b((u-f)/(2))`

D

`b((f)/(u-f))^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - C) Objective Type Questions (More than one option are correct)|9 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - D) Linked Comprehension Type Questions|12 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - A) Objective Type Questions (One option is correct)|38 Videos

  • PHYSICAL WORLD

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (Section-B)|4 Videos

  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE ENGLISH|Exercise Assignment SECTION - D (Assertion & reason type Question)|10 Videos

Similar Questions

Explore conceptually related problems

A short linear object of length b lies along the axis of a concave mirror or focal length f at a distance u from the pole of the mirror. The size of the image is approximately equal to

(a) A short linear object of length b lies along the axis of a concave mirror of focal length f at a distance u from the pole. What is the size of the image? (b) If the object begins to move with speed V_(0) , what will be the speed of its image?

Focal length of a concave mirror is

An object is placed at 20 cm from a convex mirror of focal length 20 cm. The distance of the image from the pole of the mirror is

An object is kept on the principal axis of a concave mirror of focal length 10cm, at a distance of 15 cm from its pole. The image formed by the mirror is:

A short object of length L is placed along the principal axis of a concave mirror away from focus. The object distance is u . If the mirror has a focal length f , what will be the length of the image ? You may take L lt lt | u - f | .

An infinitely long rod lies along the axis of a concave mirror of focal length f. The near end of the rod is distance u gt f from the mirror. Its image will have length

An object is placed on the principal axis of concave mirror of focal length 10 cm at a distance of 8.0 cm from the pole. Find the position and the nature of the image.

An object is placed at a distance f in the front of a convex mirror. If focal length of the mirror is f, then distance of image from pole of the mirror is

A rod of length 10 cm lies along the principal axis of a concave mirror of focal length 10 cm in such a way that the end closer to the pole is 20 cm away from it. Find the length of the image.

AAKASH INSTITUTE ENGLISH-RAY OPTICS AND OPTICAL INSTRUMENTS-Assignment (Section - B) Objective Type Questions (One option is correct)
  1. A lens forms a sharp image on a screen. On inserting a parallel sided ...

    Text Solution

    |

  2. For an eye kept at a depth h inside water is refractive index mu, and ...

    Text Solution

    |

  3. A convex lens A of focal length 20cm and a concave lens B of focal len...

    Text Solution

    |

  4. An equilateral triangular prism is made of glass (mu = 1.5). A ray of ...

    Text Solution

    |

  5. White light is incident on the interface of glass and air as shown in ...

    Text Solution

    |

  6. In a spherical paper weight (R = 10 cm) made of glass of refractive in...

    Text Solution

    |

  7. A concave mirror is placed on a horizontal table with its axis directe...

    Text Solution

    |

  8. Two prisms of same glass (mu = sqrt(2)) are stuck together without gap...

    Text Solution

    |

  9. A short linear object of length b lies along the axis of a concave mir...

    Text Solution

    |

  10. An object is placed 1m in front of the curved surface of a plano-conve...

    Text Solution

    |

  11. Figure shows a torch sending a parallel beam of light fixed on a wall ...

    Text Solution

    |

  12. A ray of light passes from vaccum into a medium of refractive index n....

    Text Solution

    |

  13. A plane mirror is placed horizontally inside water (mu=4/3). A ray fal...

    Text Solution

    |

  14. A thin lens focal length f and its aperture has diameter d. It forms a...

    Text Solution

    |

  15. A tank contains a transparent liquid of refractive index mu. The botto...

    Text Solution

    |