Home
Class 10
PHYSICS
A doctor has prescribed lens of power + ...

A doctor has prescribed lens of power `+ 1.5 D`. Find the focal length of the lens. Is the prescribed lens diverging or converging ?

Promotional Banner

Topper's Solved these Questions

  • LIGHT : REFLECTION AND REFRACTION

    MBD -HARYANA BOARD|Exercise LONG ANSWER TYPE QUESTIONS|13 Videos

  • MAGNETIC EFFECTS OF ELECTRIC CURRENT

    MBD -HARYANA BOARD|Exercise EXAMPLE|74 Videos

Similar Questions

Explore conceptually related problems

A doctor has prescribed a corrective lens of power, -1.5D . Find the focal length of the lens. Is the prescribed lens diverging or converging?

Find the focal length of a lens having -0.5 D power.

Doctor has presecribed a lens having power + 1.5D. What will be the focal length of the lens ? What is the type of the lens and what must be the defect of vision ?

If a spherical lens has a power of, -0.25 D, the focal length of this lens will be:

MBD -HARYANA BOARD-LIGHT:REFLECTION AND REFRACTION-EXAMPLE
  1. An object of size 7.0 cm is placed at 27 cm in front of a concave mirr...

    Text Solution

    |

  2. Find the focal length of a lens of power - 2.0 D. What type of lens is...

    Text Solution

    |

  3. A doctor has prescribed lens of power + 1.5 D. Find the focal length o...

    Text Solution

    |

  4. The image of an object is formed at infinite distance from a concave m...

    Text Solution

    |

  5. Describe with the help of a diagram, the nature, size and psition of t...

    Text Solution

    |

  6. What is meant by refraction of light ? State the laws of refraction. S...

    Text Solution

    |

  7. Draw the ray diagrams and find position,nature and size of image forme...

    Text Solution

    |

  8. Describe with the help of a ray-diagram, the size, nature and position...

    Text Solution

    |

  9. Draw the ray diagrams and find position,nature and size of image forme...

    Text Solution

    |

  10. Define the terms: concave mirror convex mirror

    Text Solution

    |

  11. APERTURE

    Text Solution

    |

  12. Define the principal focus of a lens.

    Text Solution

    |

  13. Define the focal length of a spherical mirror.

    Text Solution

    |

  14. The image of an object is formed at infinite distance from a concave m...

    Text Solution

    |

  15. Where should an object be placed so that its real and same size image ...

    Text Solution

    |

  16. Which mirror is used as a shaving mirror and why ?

    Text Solution

    |

  17. Which mirror always forms virtual and erect image which is smaller tha...

    Text Solution

    |

  18. Which mirror has a wider field of view ?

    Text Solution

    |

  19. What is the basic difference between a concave mirror and a convex mir...

    Text Solution

    |

  20. How will you distinguish between a plane mirror, a convex mirror and a...

    Text Solution

    |