Home
Class 12
PHYSICS
A short-sighted person cannot see object...

A short-sighted person cannot see objects situated beyond 2m from him distinctly. What should be the power of the lens which he should use for seeing distant objects clearly ?

Text Solution

Verified by Experts

The correct Answer is:
`-0.5D`
Promotional Banner

Topper's Solved these Questions

  • GEOMETRICAL OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs with One or More Options Correct|30 Videos

  • ELECTROSTATICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numberical Problems|73 Videos

  • HEAT AND THERMAL EXPANSION

    PHYSICS GALAXY - ASHISH ARORA|Exercise UNSOLVED NUMRICAL PROBLEMS FOR PREPARATION OF NSEP, INPhO & IPhO|82 Videos

Similar Questions

Explore conceptually related problems

A long-sighted person can see objects beyond 1 m distinctly. Calcualte the power of the lens that should be prescribed for him normal vision.

A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of corrective lens to restore proper vision ?

A person's far point is at 2 m . Find nature, focal length and power of the lens he must use to see distant objects clearly.

A person cannot see distinctly any object placed beyond 40cm from his eye. Find the power of lens whicTFwill enable him to see distant stars clearly is?.

A person cannot see the objects distinctly, when placed at a distance less than 100 cm . What is the power of the spectacles that he should use to see clearly the objects placed at 25 cm ?

A person cannot see the objects distinctly, when placed at a distance less than 100 cm . What is the power of the spectacles that he should use to see clearly, the objects placed at 25 cm ?

A short sighted person cannot see clearly beyond 2 m . Calculate power of the lens required to correct his eye to normal vision.

A person cannot see the object beyond 3 m distinctly. Find focal length of the lens required to correct this defect of vision.

PHYSICS GALAXY - ASHISH ARORA-GEOMETRICAL OPTICS-Unsolved Numerical Problems
  1. An astronomical telescope consisting of two convex lenses of focal len...

    Text Solution

    |

  2. How would you use two plano-convex lenses of focal lengths 6cm and 4cm...

    Text Solution

    |

  3. A short-sighted person cannot see objects situated beyond 2m from him ...

    Text Solution

    |

  4. An astronomical telescope in normal adjustment hasa tube length of 93 ...

    Text Solution

    |

  5. The focal lengths of the objective and the eye-piece of an astronomica...

    Text Solution

    |

  6. A Keplerian telescope with magnification T = 15 was submerged into wat...

    Text Solution

    |

  7. A man stands on vertical tower of height 20 cm. Calculate the distanc...

    Text Solution

    |

  8. The redius of curvature of the convex face of a plano-convex lens is 1...

    Text Solution

    |

  9. An object is at a distance of a=36 cm from a lens with a focal length ...

    Text Solution

    |

  10. The focal length of a thin biconvex lens is 20 cm. When an object is m...

    Text Solution

    |

  11. An object is placed 20 cm to the left of a convex lens of focal length...

    Text Solution

    |

  12. A glass sphere with centre O is shown in the figure, AOB and COD are t...

    Text Solution

    |

  13. A hollow sphere of glass of inner and outer radii R and 2R respectivel...

    Text Solution

    |

  14. Two thin similar watch glass pieces are joined together,front to fron...

    Text Solution

    |

  15. Two convex lenses of focal lengths f(1) and f(2) are placed coaxially,...

    Text Solution

    |

  16. A prism of angle 60^(@) deviates a ray of light through 31^(@) for two...

    Text Solution

    |

  17. Two large plane mirrors OM and ON are arranged at 150° as shown in the...

    Text Solution

    |

  18. A concave lens of focal length 20 cm is placed 15 cm in front of a con...

    Text Solution

    |

  19. A double convex lens is placed on a horizontal plane mirror. A pin hel...

    Text Solution

    |

  20. A prism has refractive index sqrt((3)/(2)) and refractive angle 90^@. ...

    Text Solution

    |