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.

A myopia person can see things clearly only when they lie between 10 cm and 80 cm from the eye. Which lens would enable him to see the moon clearly ?

A myopic person can see things clearly if they lie between 8 cm and 100 cm from his eye. The lens will enable him to see the moon distinctly if its focal length is

A myopic person can see things clearly only when they lie between 10 cm and 100 cm from his eye. Answer the following questions. A lens will enable him to see the moon clearly if its focal length is :

A certain person can see clearly objects lying between 20 cm and 250 cm from his eye. What spectacles are required to enable him to see distant objects clearly ? When he is wearing these spectacles, what is his least distance of distinct vision ?

A person can see objects clearly only when they lie between 50cm and 400 cm from his eyes. In order to increase the maximum distance of distinct vision to infinity, the type and power of the correcting lens, the person has to use, will be

A person can see objects clearly only when they lie between 50cm and 400 cm from his eyes. In order to increase the maximum distance of distinct vision to infinity, the type and power of the correcting lens, the person has to use, will be

A person can see objects clearly only when they lie between 50cm and 400 cm from his eyes. In order to increase the maximum distance of distinct vision to infinity, the type and power of the correcting lens, the person has to use, will be

A person can see clearly objects only when they lie between 50 cm and 400 cm from his eyes. In order to increase the miximum distance of distinct vision to infinity , the person has to use, will be