[" निकट-दृष्टि One person suffering from twin maximum "2" Of meter "],[" Can see up to a distance. Which nature to get him right "],[" And how much capacity to use the lens चाहिए? "]

A person suffering from the eye-defect myopia (short-sightedness) can see clearly only up to a distance of 2 meters. What is the nature and power of lens required to rectify this defect ?

A person with defective eyes can see the objects distinctly up to the distance 20 cm . What type of lens should be used and of what power?

A person can see distinctly up to a distance of 2 m and no further. To see distinctly up to a long distance what type of spectacles should he use? What will be the power of the lens of the spectacles?

A person can see object clearly only upto a maximum distance of 50 cm. Hi eye defect, nature of the corrective lens and its focal length are respectively

A person can see clearly upto 1 m. The nature and power of the lens which will enable him to see things at a distance of 3 m is

A person can not see clearly an object kept at a distance beyond of 100 cm. Find the nature and the power of lens to be used for seeing clearly the object at infinity.

A myopic person can see things clearly only when they lie between 10 cm and 100 cm from his eye. Which lens will enable him to see the moon clearly.