1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Light and optics - mirror

  1. Apr 12, 2015 #1
    1. The problem statement, all variables and given/known data
    A shoplifter is spotted using a convex mirror, in which the image appears to be 22.0cm behind the mirror, which has a focal length of 24.0cm. HIs apparent height, in this image, is 14.0cm tall.
    A)How far away is the shoplifter from the mirror?
    B) How tall is the shoplifter?

    2. Relevant equations
    1/do + 1/di = 1/f
    M= -di/do

    3. The attempt at a solution
    A) 1/22 + 1/do =1/24
    do=2.64 m
  2. jcsd
  3. Apr 12, 2015 #2
    Remember that M=di/do=hi/ho
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted