Home
Class 10
PHYSICS
The near point of a hypermetropic eye is...

The near point of a hypermetropic eye is 75 cm. What is the focal length of the lens required to see clearly an object placed at 25 cm from the eye (normal near point)?

Text Solution

Verified by Experts

The focal length of convex lens used for correcting the hypermetropic eye is given by
Promotional Banner

Topper's Solved these Questions

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    KUMAR PRAKASHAN|Exercise Value Based Questions With Answers|24 Videos

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    KUMAR PRAKASHAN|Exercise Practical Skill Based Questions with Answers|5 Videos

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS AND ANSWERS (Choose the correct option)|43 Videos

  • QUESTION PAPER-2 (MARCH,2020 - BOARD'S QUESTIONS PAPER)

    KUMAR PRAKASHAN|Exercise Section - D (Answer the following questions)|3 Videos

Similar Questions

Explore conceptually related problems

The far point of a myopic eye is 100 cm. What is the focal length of the lens required to see very distant (normal far point) objects clearly?

Make a diagram to show how hypermetropia is corrected. The near point of a hypermetropic eye is 1 m. What is the power of the lens required to correct this defect? Assume that the near point of the normal eye is 25 cm.

What is the near point of the human eye ?

The near point of every person is 25 cm.

The far point of a myopic person is 80 cm in front of the eye. What is the nature and power of the lens required to correct the problem?

What is the focal length of lens if the image distance remain same by keeping object at 24 cm and 16 cm from lens ?

The focal length of the lens in a photographic camera is 5cm. what is the power of the lens?

What can be said about the focal length of the eye lens if its curvature increases ?

Why is a normal eye not able to see clearly the objects placed closer than 25 cm?

What change occurs in the focal length, when our eye lens becomes thick ?

KUMAR PRAKASHAN-THE HUMAN EYE AND THE COLOURFUL WORLD-OBJECTIVE QUESTIONS AND ANSWERS (Answer the following questions in very short as directed (Miscellaneous) )
  1. Match the following column:

    Text Solution

    |

  2. The far point of a myopic eye is 100 cm. What is the focal length of t...

    Text Solution

    |

  3. The near point of a hypermetropic eye is 75 cm. What is the focal leng...

    Text Solution

    |

  4. The eye lens of human eye is a double convex lens. Agree or Disagree?

    Text Solution

    |

  5. Cone-shaped retinal cells respond to the brightness or intensity of li...

    Text Solution

    |

  6. Which property of vision is used in cinematography ?

    Text Solution

    |

  7. What is aqueous humour ?

    Text Solution

    |

  8. What is the maximum power of accommodation of a normal eye ?

    Text Solution

    |

  9. What is meant by scattering of light?

    Text Solution

    |

  10. What is the basic cause of atmospheric refraction ?

    Text Solution

    |

  11. In the above figure a narrow beam of white light is shown to pass thro...

    Text Solution

    |

  12. In the above figure, which angles are correctly marked ?

    Text Solution

    |

  13. In the above figure (ray diagram), state the angle of incidence and th...

    Text Solution

    |

  14. In the above figure (ray diagram), state angle of incidence, angle of ...

    Text Solution

    |

  15. What is the principle of the working of the human eye?

    Text Solution

    |

  16. On which factor does the colour of the scattered white light depend ?

    Text Solution

    |

  17. Give the scientific names of the following parts of the eye : (a) Ca...

    Text Solution

    |

  18. A near-sighted person has a near point 25 cm and a far point 50 cm. Ca...

    Text Solution

    |

  19. The near point of a far-sighted person is 50 cm. Can the person see ...

    Text Solution

    |

  20. How much is our horizontal field of view (a) with one eye open (b)...

    Text Solution

    |