[" A man can see the object between "75cm],[" and "30^(" falo ")Pm" .He uses the lens to see the far "],[" objects.Then due to the lens used,the near "],[" point will be at "]

A man can see the object between 15 cm and 30 cm . He uses the lens to see the far objects. Then due to the lens to see the far objects. Then due to the lens used, the near point will be at

A man can see only between 75 cm and 200 cm . The power of lens to correct the near point will be

a man can see upto 100cm of the distant object. The power of the lens required to see far objects will be:

A person can see the objects lying between 25 cm and 10 m from his eye. His vision can be corrected by using lens of power :

A boy can see the objects distinctly only in between 15 cm and 200 cm from his eyes . What should be the power of the lens (in m^(-1) unit ) he will use to see the objects at infinity distinctly ? What will the least distance of distinct vision of his eyes with spectacles ?

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.