Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Savchenko Problem 13.3.12
Physics
Problem
What glasses will you prescribe for a nearsighted person who can read text located no further than 20 cm from the eyes, and what glasses for a farsighted person who can read text located no closer than 50 cm from the eyes?
Browse the problem library