Home
Class 12
PHYSICS
A point object is placed at a distance ...

A point object is placed at a distance of 25cm from a convex lens. Its focal length is 22cm. A glass slab of refractive index 1.5 is inserted between the lens and the object, then the image is formed at infinity. Find the thickness of the glass slab (in cm).

Text Solution

Verified by Experts

The correct Answer is:
9
9
Promotional Banner

Topper's Solved these Questions

  • TEST PAPERS

    FIITJEE|Exercise PHYSICS|747 Videos

  • SIMPLE HARMONIC MOTION

    FIITJEE|Exercise Assignment Problems (Objective) (Level-II)|20 Videos

  • WORK, ENERGY AND POWER

    FIITJEE|Exercise COMPREHENSIONS ( Comprehension-II)|5 Videos

Similar Questions

Explore conceptually related problems

A point object is placed at a distance of 25cm from a convex lens of focal length 20cm .If a glass slab of thickness t and refractive index 1.5 is inserted between the lens and object.The image is formed at infinity .Find the thickness?

A point object is placed at a distance of 25 cm from a convex lens of focal length 20cm. If a glass slab of thickness t and refractive index 1.5 is inserted between the lens and the object, the image is formed at infinity. The thickness t is

A point object is placed at a diatance of 25 cm from a convex lens of focal length 20 cm. If a glass slab of thickness t and refractive index 1.5 is inserted between the lens and the object, the image is formed at infinity. The thickness t is

A point object is placed at a distance 25cm from a convex lens of focal length 20cm. If a glass slab of thickness t annd refractive index 1.5 is inserted between the lens and object, image is formed at . Thickness t is found to be K times of 5cm. Fink K.

An object is placed at a distance of 10 cm from a convex lens of focal length 12 cm. Find the position and nature of the image.

FIITJEE-TEST PAPERS-PHYSICS
  1. Figure shows a charge array known as an "electric quadrupole". For a p...

    Text Solution

    |

  2. The net field vecE due to the uniformly charged rod at P makes angles...

    Text Solution

    |

  3. A point object is placed at a distance of 25cm from a convex lens. It...

    Text Solution

    |

  4. Two radioactive materials X(1) and X(2) have decay constants 10 lamda ...

    Text Solution

    |

  5. Two wires are made of the same material and have the same volume. Howe...

    Text Solution

    |

  6. Find the apparent depth of a fish (in meter) whose real depth is 100m ...

    Text Solution

    |

  7. In a resonance column experiment the frequency of tuning fork used is ...

    Text Solution

    |

  8. Find the minimum kinetic energy (in joule) with which a particle of ma...

    Text Solution

    |

  9. A particle is moving in such a way that its velocity versus time graph...

    Text Solution

    |

  10. A block of mass m is resting inside a smooth horizontal tube. If the t...

    Text Solution

    |

  11. Figure shows initial state of an ideal gas trapped in a container with...

    Text Solution

    |

  12. A monoatomic gas undergoes a cyclic process as shown in the figure. Th...

    Text Solution

    |

  13. Figure shows a solid sphere positioned just below the surface of a flu...

    Text Solution

    |

  14. Figure shows as thin tube open at one end rotating with constant angul...

    Text Solution

    |

  15. Figure shows a thin rod (mass M, length L) suspended in a vertical pla...

    Text Solution

    |

  16. Figure shows the initial position of a system of two particles. Given ...

    Text Solution

    |

  17. A and B are two hydrogen like atoms such that m(B)=2m(A). Also, the nu...

    Text Solution

    |

  18. Two strings made of same material, same cross-section but different le...

    Text Solution

    |

  19. Figure shows to concentric conducting spherical shells, each initialy ...

    Text Solution

    |

  20. Figure shows a battery circuit with an unknown resistance x. If the va...

    Text Solution

    |