Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 34 - Images - Problems: 22c

Answer

$r=-40cm$

Work Step by Step

Using the relation that $$r=2f$$ and substituting the value of $f=-20cm$ yields $$r=2(-20cm)=-40cm$$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.