A short-sighted person can see distinctly the object situated at a distance of 20 cm from him. What type of lens will he use to see the objects situated at a distance of 100 cm from him ? What will be the power of the lens ?

A short-sighted person cannot see the ….. Object distinctly.

A short sighted person can see objects at 20cm from his eyes. What type of lens is to be used to see clearly objects at 100cm away?

A short sighted person can see distinctly only those objects which lie between 10 cm and 100 cm from him. The power of the spectacle lens required to see a distant object is

A short sighted person can see distinctly only those objects which lie between 10 cm and 100 cm from him. The power of the spectacle lens required to see a distant object is

A person can see distinctly any object situated in between the distance 50 cm and 300 cm. what type of spectacles are to used (ii) to bring the least distance of distinct vision at 25 cm ? What will be the rangs of distinct vision in each pair of spectacles?

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 any object situated in between the distance 50 cm and 300 cm. what type of spectacles are to used (i) to extend the far point up to infinity and

A man with defective eyes cannot see distinctly object at the distance more than 60 cm from his eyes. The power of the lens to be used will be