Answered: 6. When an object is 4 cm away from a…

6. When an object is 4 cm away from a mirror, the real image is 12 cm away from the mirror. Calculate the focal length of the mirror. (Give your answer in centimeters but don't include the units.)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Applications Of Reflection Of Light

When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.

Sign Convention for Mirrors

A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.

Question

6. When an object is 4 cm away from a mirror, the real image is 12 cm away from the mirror.
Calculate the focal length of the mirror.
(Give your answer in centimeters but don't include the units.)
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