Homework Help: physical science (light)

Posted by Anonymous on Tuesday, July 15, 2008 at 2:12pm.

An object is located 51 millimeters from a diverging lens.The object has a height of 13 millimeters and the image height is 3.5 millimeters.How far in front of the lens is the image located?

physical science (light) - drwls, Tuesday, July 15, 2008 at 3:52pm
|(image distance)/(object distance)| = (image size)/(object size)|

3.5/13 = (image distance)/51 mm

Image distance = 51*3.5/13 = 13.7 mm

You do not need to worry about minus signs and whether or not the lens is diverging to use this formula.
physical science (light) - Anonymous, Tuesday, July 15, 2008 at 4:05pm
13.73
- physical science (light) - Anonymous, Tuesday, July 15, 2008 at 4:06pm
  thanks
(light) - teri, Thursday, September 9, 2010 at 5:43pm
an object 5 millimeters high is loccated 15 millimeters in front of a plane mirror. How far from the mirror is the image located?

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