Home
Class 12
PHYSICS
The radius of curvture of the convex fac...

The radius of curvture of the convex face of a plano-covex lens is 12 cm and its refractive index is 1.5.
Find the focal length of the lens.
.

Promotional Banner

Topper's Solved these Questions

  • REFRACTION OF LIGHT

    MODERN PUBLICATION|Exercise EXERCISE|168 Videos

  • REFLECTION OF LIGHT

    MODERN PUBLICATION|Exercise EXERCISE|57 Videos

  • SEMICONDUCTOR DEVICES

    MODERN PUBLICATION|Exercise EXERCISE|174 Videos

Similar Questions

Explore conceptually related problems

The radius of curvture of the convex face of a plano-covex lens is 12 cm and its refractive index is 1.5. Calculate the image distance,when a point object is paced on the axis 20 cm from the lens.

Find the radius of curvature of the convex surface of a plano convex lens,whose focal length is 0.3 m and the refractive index of the material of the lens is 1.5/

The radius of curvature of each face of a biconcave lens made of glass of refractive index 1.5 is 30 cm. Calculate the focal length of the lens is air.

The radii of curvature of double convex lens are 30 cm and 60 cm and its refractive index is 1.5 .Calculate its focal length.

The radii of curvature of the faces of a double convex lens are 10 cm and 12 cm respectively.If the focal length of the lens is 12 cm ,find the refractive index of the material of the lens.

The radii of curvature of the two faces of a convex lens are 0.1 m and 0.15 m respectively.If the foal length of the lens is 0.12 m,find the refractie index of the material of the lens.

A plano-convex lens is made of a material of refrative index mu=1.5 .The radius of curvature of curved surface of the lens is 20 cm.If its plane surface is silvered,the focal length of the silvered lens will be

The radius of curvatrure of a thin plano-convex lens is 10 cm (of cured surface) and the refractive index is 1.5.If the plane surface is silvered,then it behaves like a concavemirror of focal length

The radius of curvature of eithr face of a conex lens is equal to ts focal length .What is the refractive index of its material?

The radii of curvature of a convex lens are 20 cm and 30 cm nd the refractive index of its material is 1.5 .How its nature nd focal length will change ,when it is immersed in a liquid of refractive index = 1.6?

MODERN PUBLICATION-REFRACTION OF LIGHT-EXERCISE
  1. A thin douel convex lens has surfaces of radii of curature 30 cm each....

    Text Solution

    |

  2. A equiconvex lens of focal length 30 cm is divided into two equal halv...

    Text Solution

    |

  3. The radius of curvture of the convex face of a plano-covex lens is 12 ...

    Text Solution

    |

  4. The radius of curvature of each face of a biconcave lens made of glass...

    Text Solution

    |

  5. The radii of curvature of the two surface of a convexo concave ens ae1...

    Text Solution

    |

  6. The foal length of a glass convex lens in air is 15 cm.Calculate its f...

    Text Solution

    |

  7. A glass (mu=1.5) convex lens of focl length 40 cm is placed in water (...

    Text Solution

    |

  8. The focal length of a concavo - convex lens of radii of curvature 5 cm...

    Text Solution

    |

  9. If the refractive index from air to glass is 3//2 adn that from air to...

    Text Solution

    |

  10. A convex lens of refractive index 1.5 has a focal length of 18 cm in a...

    Text Solution

    |

  11. The radii of curvature of a convex lens are 20 cm and 30 cm nd the re...

    Text Solution

    |

  12. A convex lens of refractive index 1.5 is immersed in a liquid of refra...

    Text Solution

    |

  13. Explain what happens ,when a convex lens of refractive index 1.2 is im...

    Text Solution

    |

  14. A convex lens of refrative index 1.5 is immersed in a liquid of refrac...

    Text Solution

    |

  15. An object is placed at 0.06 m from a convex lens of focal length 0.10 ...

    Text Solution

    |

  16. An object is kept 0.2 m from a conex lens of focal length 0.15 m .Fin...

    Text Solution

    |

  17. A 5.0 cm long needle is placed vertically at a distance 20 cm in front...

    Text Solution

    |

  18. A convex lens of foal length 30 cm and a concave lens of focal length ...

    Text Solution

    |

  19. A ocnverging bem of light forms of a sharp image on a screen. lens is...

    Text Solution

    |

  20. An object is placed at a distance of 75 cm from a screen .Where should...

    Text Solution

    |