Home
Class 11
PHYSICS
After cataract operation, a peisun is re...

After cataract operation, a peisun is recommended with concavo-convex spectacles of curvatures 8 cm and 40 cm. Crown glass of refractive indices 1.51 for red and 1.53 for violet colours is used for this. The lateral chromatic aberration occuring due to these glasses is

A

0.33 cm

B

0.74 cm

C

1.15 cm

D

1.2 cm

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Motion in a plane

    TARGET PUBLICATION|Exercise Exercise|340 Videos

  • RAY OPTICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|16 Videos

Similar Questions

Explore conceptually related problems

After cataract operation, a person is recommended with concave - convex, spectacles of curvatures 10 cms and 50 cm. Crown glass of refractive indices (1.51) for red and (1.53) for violet colours is used for this. Calculate the lateral chromatic aberration occurring due to these glasses.

Refractive index of a flint glass varier from 1.60 to 1.66 for visible range. Radii of curvature of a thin convex lens are 10 cm and 15 cm. Calculate the chromatic aberration between extreme colours.

The convex surface of a thin concavo-convex lens of glass of refractive index 1.5 has radius of curvature 10 cm. The concave surface has a radius of curvature 30 cm. The convex side is silvered and placed on a horizontal surface. Then where should a pin be placed on the optic axis such that its image is formed at the same place?

A double convex thin lens made of glass (refractive index mu = 1.5 ) has both radii of curvature of magnitude 20 cm . Incident light rays parallel to the axis of the lens will converge at a distance L such that

Two identical thin planoconvex glass lenses (refractive index 1.5) each having radius of curvature of 20cm are placed with their convex surfaces in contact at the centre. The intervening space is filled with oil of refractive index 1.7 . The focal length of the combination is

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

A fine beam of white light is incident upon the longer side of a plane parallel glass slab of breadth 5 cm at an angle of incidence 60^@ . Calculate lateral deviation of red and violet rays and lateral dispersion between them, as they emerge from the opposite side. Refractive indices of glass for red and violet are 1.51 and 1.53 resp.

TARGET PUBLICATION-OPTICS-EXERCISE
  1. Unit of longitudinal chromatic aberration of a thin lens is .

    Text Solution

    |

  2. Focal length of convex lens made up of flint glass is 12 cm. It is pla...

    Text Solution

    |

  3. After cataract operation, a peisun is recommended with concavo-convex ...

    Text Solution

    |

  4. Refractive index of a flint glass varier from 1.60 to 1.66 for visible...

    Text Solution

    |

  5. What causes chromatic aberration?

    Text Solution

    |

  6. When object at difference distance are seen by the eye, which of the f...

    Text Solution

    |

  7. If we need a magnification of 375 from a microscope of tube length 15 ...

    Text Solution

    |

  8. A man with normal near point reads a book using a magnifying glass of ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  11. The objectiveof a telescope A has diameter 3 times thatof the objectiv...

    Text Solution

    |

  12. The focal lengths of the objective and eye-piece of a telescop are res...

    Text Solution

    |

  13. Four double convex lenses with following specifications are available ...

    Text Solution

    |

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

    Text Solution

    |

  15. On heating a liquid, the refractive index generally

    Text Solution

    |

  16. The fine powder of a coloured glass is seen as

    Text Solution

    |

  17. A circular disc of which 2//3 part is coated with yellow and 1//3 part...

    Text Solution

    |

  18. Light enters at an angles of incidence in a transparent rod of refract...

    Text Solution

    |

  19. A glass prism (mu = 1.5) is dipped in water (mu = 4//3) as shown in fi...

    Text Solution

    |

  20. An isosceles prism of angle 120^(@) has a refractive index of 1.44. Tw...

    Text Solution

    |