Help with height of image in a mirror

  • Thread starter re496210
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  • #1
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An object which is 0.54m tall is located 1.23m in front of a plane mirror.
How tall is the image as seen in the mirror?

I know that the image seems to be 1.23m from the surface of the mirror and that the object seems to be 2.460m from the image.

What equation do I need to use to figure out how tall the image is in the mirror.
 

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  • #2
tiny-tim
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hi re496210! :smile:
An object which is 0.54m tall is located 1.23m in front of a plane mirror.

What equation do I need to use to figure out how tall the image is in the mirror.

common-sense? :wink:

(or just look in a mirror)
 
  • #3
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Thanks! I thought that that was the correct answer, but every time I entered .54m into the homework, the system told me that I need more digits. I tried 0.540m and that finally worked for me.
 

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