Home
Class 11
PHYSICS
An object is placed at a distance u from...

An object is placed at a distance u from a concave mirror and its real image is received on a screen placed at a distance of v from the mirror. If f is the focal length of the mirror, then the graph between 1/v versus 1/u is

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|60 Videos

  • RAY OPTICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

  • RAY OPTICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

  • MEASUREMENTS

    TARGET PUBLICATION|Exercise EVALUATION TEST|17 Videos

  • REFRACTION OF LIGHT

    TARGET PUBLICATION|Exercise EVALUATION TEST|12 Videos

Similar Questions

Explore conceptually related problems

An object is placed at a distance of 30 cm from a concave mirror and its real image is formed at a distance of 30 cm from the mirror. The focal length of the mirror is

An object is placed at a distance u cm from a concave mirror of focal length f cm. The real image of the object is received on a screen placed at a distance of v cm from the mirror. The values of u are changed and the corresponding values of v are measured. Which one of the graphs shown in the figure represents the variation of 1/v with 1/u ?

In a concave mirror, an object is placed at a distance d_1 from the focus and the real image is formed aat a distance d_2 from the focus. Then the focal length of the mirror is :

An object is placed in front of a concave mirror at a distance of 7.5 cm from it. If the real image is formed at a distance of 30 cm from the mirror, find the focal length of the mirror. What would be the focal length if the image is virtual.

The distance of an object from a spherical mirror is equal to the focal length of the mirror. Then the image:

The distance of an object from a spherical mirror is equal to the focal length of the mirror. Then the image.

An object is placed at a distance of 25 cm from a spherical mirror, its image is formed behing the mirror at a distance of 5 cm. The focal length and type mirror is

A point object is placed at a distance of 10 cm and its real image is formed at a distance of 20 cm from a concave mirror. If the object is moved by 0.1 cm towards the mirror, the image will shift by about

An object is placed at 20 cm from the pole of a concave mirror. It forms real image at a distance of 60 cm from the pole. Find the focal length of the concave mirror.

TARGET PUBLICATION-RAY OPTICS-CRITICALTHINKING
  1. When two or more lnses of magnification m(1) ,m(2), m(3) are kept in c...

    Text Solution

    |

  2. A concave lens and a convex lens have same focal length of 20 cm and b...

    Text Solution

    |

  3. If we need a magnification of 400 from compound microscope of tube len...

    Text Solution

    |

  4. When objects at different distances are seen by the eye, which of the ...

    Text Solution

    |

  5. If astronomical telescope of length 1.53m has magnifying powerof magni...

    Text Solution

    |

  6. When we view object of height 15 m with a telescop of magnifying power...

    Text Solution

    |

  7. The focal length of the objective and eye piece of a telescope are res...

    Text Solution

    |

  8. The objective of telescope A has a diameter 3 times that of the object...

    Text Solution

    |

  9. A fly is sitting on the objective of a telescop pointed to the moon ta...

    Text Solution

    |

  10. An object is placed at a distance u from a concave mirror and its real...

    Text Solution

    |

  11. The distance between an object and the screen is 75 cm. When a convex ...

    Text Solution

    |

  12. Two similar planoconvex lenses are combined together in three differen...

    Text Solution

    |

  13. A virtual cannot be caought on a screen, Yet when we see a virtual ima...

    Text Solution

    |

  14. When the wavelenght of the light used is increased, the focal length o...

    Text Solution

    |

  15. If two power of a thick lense is P(1) and that of a thin lens is P(2)...

    Text Solution

    |

  16. How will you arrange the two plane mirros so that whatever may be the ...

    Text Solution

    |

  17. An object is placed in front of a convex mirror at a distance of 50cm....

    Text Solution

    |

  18. A square wire of side 3.0 cm is placed 25 cm away from a concave mirro...

    Text Solution

    |

  19. If a lens is cut into two pieces perpendicular to the principal axis a...

    Text Solution

    |

  20. Assertion : A concave mirror and convex lens both have the same focal ...

    Text Solution

    |