Question 2
A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?

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Solution

The person should use a concave lens of focal length 1.2 m to restore proper vision. The concave lens will bring the image back to the retina.

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Question 2
A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?

Q. A man is suffering from myopia, cannot see objects beyond

10.0 m

distinctly. What should be the type of corrective lens used to restore proper vision? Find the focal length and power of the lens?

Q. (a) A student suffering from myopia is not able to see distinctly the objects placed beyond

5 m

. List two possible reasons due to which this defect of vision may have arisen. With the help of ray diagrams, explain
(i) why the student is unable to see distinctly the objects placed beyond

5 m

from his eyes.
(ii) the type of the corrective lens used to restore proper vision and how this defect is corrected by the use of this lens.
(b) If, in this case, the numerical value of the focal length of the corrective lens is

5 m

, find the power of the lens as per the new Cartesian sign convention.

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Question 2 A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?

The person should use a concave lens of focal length 1.2 m to restore proper vision. The concave lens will bring the image back to the retina.

Question 2
A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?