A farsighted woman has a near point of 1.5m. Calculate the focal length of the lenses for her eyeglasses so that she can read a book held at 25cm. Also find power of the lens.

A farsighted woman has a near point of 1.5m. Calculate the focal lengt

1.	A farsighted woman has a near point of 1.5m. Calculate the focal length of the lenses for her eyeglasses so that she can read a book held at 25cm. Also find power of the lens.
Answer» `f=+20cm and P=+4.4D` `f=+10 CM and P=+5.4D` `f=+30 cm and P=+3.33D` `f=+10cm and P=+2.3D` ANSWER :C