Physics (10th Edition)

Published by Wiley
ISBN 10: 1118486897
ISBN 13: 978-1-11848-689-4

Chapter 25 - The Reflection of Light: Mirrors - Problems - Page 718: 19


22 cm

Work Step by Step

Given: Image distance v= -26 cm Focal length f= -12 cm According to the mirror equation: Object distance $u= \frac{vf}{v-f}$. Thus, we find: $u=\frac{-26\times-12}{-26-(-12)}cm\approx -22 cm$. The object is located at a distance of 22 cm in front of the mirror.
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