A farsighted person cannot see objects placed closer to 50 cm. Find the power of the lens needed to see the objects at 20 cm.

(a) A nearsighted person cannot clearly see beyond 200 cm . Find the power of the lens needed to see objectes at large distances. (b) A farsighted person cannot see objects placed closer to 50cm . Find the power of the lens needed to see the objets at 20cm . (c) A person wears glasses of power -2.5 D . Is the person farsighted or nearsighted? What is the far point of the person without the glasses?

A nearsighted person cannot clearly see beyond 200 cm. Find the power of the lens needed to see objects at large distances.

A nearsighted person cannot clearly see beyond 200 cm. Find the power of the lens needed to see objects at large distances.

A nearsighted person cannot clearly see beyond 200 cm. Find the power of the lens needed to see objects at large distances.

A person cannot see objects clearly beyond 50 cm. The power of the lens to correct the vision is:

A person cannot see objects clearly beyond 125 cm. The power of the lens to correct the vision is

A person cannot see objects clearly beyond 125 cm. The power of the lens to correct the vision is