Home
Class 10
PHYSICS
Define 1 dioptre of power of a lens...

Define 1 dioptre of power of a lens

Promotional Banner

Topper's Solved these Questions

  • ELECTRICITY

    MBD|Exercise EXAMPLE|118 Videos
  • MAGNETIC EFFECTS OF ELECTRIC CURRENT

    MBD|Exercise EXAMPLE|94 Videos

Similar Questions

Explore conceptually related problems

Define a dioptre

Define power of a lens

Define dispersive power of a prism.

…is the unit of power of the lens

Define linear magnification produced by a lens.Hence derive expression for it also define the power of a lence and its unit.

A convex lens is made of glass of refractive index 1.5. If radius of curvature of the each of its two surfaces is 20 cm, find the ratio of power , of lens when placed in air to its power, when immersed inside a liquid of refractive index 1.25 .

The unit of power of lens is…… .

A myopic adult has a far point at 0.1m. His power of accomodation is 4 dioptres What power lenses are required to see distant objects? (Take the image distance from the lens of the eye to the retina to be 2 cm).

MBD-LIGHT:REFLECTION AND REFRACTION-EXAMPLE
  1. Compare convex and concave lenses

    Text Solution

    |

  2. What are the differences between reflection and refraction?

    Text Solution

    |

  3. Define 1 dioptre of power of a lens

    Text Solution

    |

  4. The radius of curvature of a concave mirror is 30 cm what is its focal...

    Text Solution

    |

  5. The radius of curvature of a convex mirror is 40 cm what is its focal ...

    Text Solution

    |

  6. A concave mirror produces three times magnified real image of an objec...

    Text Solution

    |

  7. An object is placed at a distance of 10 cm from a convex mirror of foc...

    Text Solution

    |

  8. Light enters from air to diamond having refractive index 2.4. what is ...

    Text Solution

    |

  9. Light travels from air to water of refractive index 1.33. calculate th...

    Text Solution

    |

  10. Refractive index of water w.r.t. air is 4/3and that of glass w.r.t air...

    Text Solution

    |

  11. An object is 2m away from a lens. Which forms an erect image1/4th ...

    Text Solution

    |

  12. A convex lens of focal length 20 cm is placed at a distance of 24 cm f...

    Text Solution

    |

  13. A concave lens has focal length of 15 cm. At what distance should the ...

    Text Solution

    |

  14. A convex lens of power 4D is placed at a distance of 40 cm from a wall...

    Text Solution

    |

  15. Which mirror has a widset field of view?

    Text Solution

    |

  16. Define a spherical mirror.

    Text Solution

    |

  17. What is concave mirror

    Text Solution

    |

  18. What is concvex mirror?

    Text Solution

    |

  19. Define the pole of a mirror

    Text Solution

    |

  20. Define principal focus of a mirror.

    Text Solution

    |