Home
Class 10
PHYSICS
(a) Make a diagram to show how hyperm...

(a) Make a diagram to show how hypermetropia is corrected (b) 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 .

Text Solution

Verified by Experts

(a) see figure 13(c) on page 276 of this book .
(b) see sample problem on page 277 of this book .
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    LAKHMIR SINGH & MANJIT KAUR|Exercise Velue Based Questions|25 Videos

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    LAKHMIR SINGH & MANJIT KAUR|Exercise Long Answer Type Question|3 Videos

  • TEST PAPER 4

    LAKHMIR SINGH & MANJIT KAUR|Exercise SECTION A|10 Videos

Similar Questions

Explore conceptually related problems

Draw a diagram to show how hypermetropia is corrected.

The near point of a hypermetropic eye is 1 m. What is the nature and power of the lens required to correct this defect ? (Assume that the near point of the normal eye is 25 cm).

Knowledge Check

  • The near point of hypermetropic eye is 40 cm . What is the power of the lens used to correct this defect ?

    A
    2.5 D
    B
    1.5 D
    C
    `-1.5 D `
    D
    0.5 D

  • The near point of a normal eye is at

    A
    50 cm
    B
    25 cm
    C
    1 m
    D
    infinity

    • Similar Questions

    Explore conceptually related problems

    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.

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

    The near-point of a person suffering from hypermetropia is at 50 cm from his eye. What is the nature and power of the lens needed to correct this defect ? (Assume that the near-point of the normal eye is 25 cm).

    The near point of a hypermetropic eye is 50 cm . Calculate the power of the lens to enable him to read a book at 40 cm ?

    What is the sign of the power of the lens used to correct hypermetropia ?

    Find the power of the lens required to correct far sightedness with a near point at 75 cm .

    Home
    Profile