1.

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

Answer»

Solution :Far POINT `(v)=150cm`
USING lens FORMULA,`(1)/(F)=(1)/(v)-(1)/(mu)`
`(1)/(f)=(1)/(f)-((-1)/(150))-((-1)/(oo))`
`therefore" " f=-150 , "POWER" = (100)/(150)=(-2)/(3)=-0.66 D`


Discussion

No Comment Found

Related InterviewSolutions