Ph 213 Chapter : Lenses review.pdf

Ramon has contact lenses with the prescription +1.5 . What is hisnear point without the lenses?

A person is prescribed with contact lenses that have powers of -2.0D.

A)What type of lenses are these?
a) converging (convex) lens
b) diverging (concave) lens

B) What is the lenses' focal length? F=m

Please show all work, thankyou.

Lenses with short focal lengths can magnify distant objects betterthan lenses with long focal lengths.

a) True
b) False