Home
Class 12
PHYSICS
An infinitely long rod lies along the ax...

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

A

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

B

`uf(u -f)`

C

`f^(2) (u + f)`

D

`uf//(u+f)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    MOTION|Exercise Exercise-3|65 Videos
  • RAY OPTICS

    MOTION|Exercise Exercise-4|38 Videos
  • RAY OPTICS

    MOTION|Exercise Exercise-1|102 Videos
  • RADIOACTIVITY & NUCLEAR PHYSICS

    MOTION|Exercise Exercise-3|81 Videos
  • ROTATIONAL MOTION

    MOTION|Exercise Exercise - 3 ( Section-B )|24 Videos

Similar Questions

Explore conceptually related problems

An infinity long rod lies along the axis of a concave mirrror of focal length f.The near end of a the rod is at a distance ugtf from the mirror ,Its image will have a length:

For a concave mirror of focal length f, image is 2 times larger. Then the object distance from the mirror can be

A rod of length (f/2) is placed along the axis of a concave mirror of focal length f. If the near ead of the real image formed by the mirror just touches the far end of the rod, find its magnification.

A short linear object of length b lies on the axis of a concave mirror of focal length F at a distance u from the pole. The length of the image will be

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

A short linear object, of length l, lies along the axis of a concave mirror, of focal length f, at a distance d from the pole of the mirror. The size of the image is then (nearly)

MOTION-RAY OPTICS-Exercise-2
  1. Statement I : Magnification of a convex mirror is always positive. S...

    Text Solution

    |

  2. Image formed by a concave mirror radius of curvature 40 cm is half the...

    Text Solution

    |

  3. An infinitely long rod lies along the axis of a concave mirror of foca...

    Text Solution

    |

  4. In a concave mirrorr experiment, an object is placed at a distance x(1...

    Text Solution

    |

  5. A small piece of wire bent into an L shape, with upright and horizonta...

    Text Solution

    |

  6. A mark at the bottom of a liquid appears to rise by 0.1m. The depth of...

    Text Solution

    |

  7. Given that, velocity of light in quartz =1.5xx10^(8)m//s and velocity ...

    Text Solution

    |

  8. A ray of light of refractive index 1.4approaches the boundary surface ...

    Text Solution

    |

  9. Light ray is incident on a prism of angle A=60^(@)and refractive index...

    Text Solution

    |

  10. A prism of refractive index sqrt(2) has a prism angle of 60^(@). At wh...

    Text Solution

    |

  11. Statement I : White light gets dispersed when passed through a prism. ...

    Text Solution

    |

  12. A ray of light enters a rectangular glass slab of refractive index sqr...

    Text Solution

    |

  13. For two given statements : (1) Critical angle is greater for violet l...

    Text Solution

    |

  14. For two given statements : (1) A prism can produce a minimum deviat...

    Text Solution

    |

  15. Refractive index of a prism is sqrt(7//3) and the angle of prism is 60...

    Text Solution

    |

  16. An object is placed at 10 cm from a lens and real image is formed with...

    Text Solution

    |

  17. A thin symmetrical double convex lens of power P is cut into three par...

    Text Solution

    |

  18. A thin linear object of size 1mm is kept along the principal axis of a...

    Text Solution

    |

  19. A concave mirror and a convex lens are of the same focal length in air...

    Text Solution

    |

  20. A convex lens of focal length 10 cm is in contact with a concave lens....

    Text Solution

    |