Home
Class 12
PHYSICS
For a long sighted man the least distanc...

For a long sighted man the least distance of distinct vision is 100 cm. Calculate the power of the lens that will enable him to see an object placed at a distance of 50 cm.

Promotional Banner

Topper's Solved these Questions

  • Optics-I

    BINA LIBRARY|Exercise EXERCISE|154 Videos

  • OPTICS -II

    BINA LIBRARY|Exercise EXERCISE|84 Videos

  • QUESTION PAPER 2012

    BINA LIBRARY|Exercise EXERCISE|40 Videos

Similar Questions

Explore conceptually related problems

A short-sighted person cannot see objects beyond 50 cm from the eye. Determine the focal length and power of the lens that will enable him to see distant objects clearly.

A far sighted person has his near point 50 cm. Find the power of lens he should use to see at 25 cm clearly.

The far point of a myopic person is 120 cm in front of the eye. Find the focal length and the power of the lens required to enable to see distant objects clearly.

A near point of hypermetropic person is 50 cm from the eye. What is the power of the lens required to enable the person to read clearly a book held at 25 cm from the eye?

A convex lens forms a real and inverted image of a needle at a distance of 50 cm. from it . Where is the niddle placed in front of convex lens if the image is equal to the size of the object? Also , find the power of the lens.