An eye has a far point of 200 cm. What is the focal length of the contact lens that allows the eye to see objects clearly that are very far from the eye? Is the focal length positive or negative?
Ans. f =
positive or negative =
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the !! The Eye concept. If you need more !! The Eye practice, you can also practice !! The Eye practice problems.
How long does this problem take to solve?
Our expert Physics tutor, Juan took 2 minutes and 30 seconds to solve this problem. You can follow their steps in the video explanation above.