The far point of a myopic person is `150 cm` in front of the eye. Calculate the focal length and power of a lens required to enable him to see distant objects clearly.

The far point of a myopic person is 120 cm in front of the eye. Find the focal length and the power of the lens required to enable to see distant objects clearly.

The far point of a person having myopia is 200 cm in front of the eye. Find the focal length and power of lens required to enable him see the distant objects clearly.

The far point of a myopic person is 120 cm in front of the eye. Calculate the power of the lens required to enable the person see distant object clearly.

The near point of a person having hypermetropia is 60 cm in front of the eye. Find the focal length and power of lens required to enable him to see the objects clearly placed at 25 cm from the eye.

The far point of a myopic person is 150cm in front of eye, calculate the focal length and the power of lens to enable see distant object clearly.