How long does the image of a 12-in ruler appear in a plane mirror?Does it depend on the distance the ruler is form the mirror?
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A: u= -3 m ho= 1.5 m f= -0.25 m mirror formula= 1u+1v=1f
How long does the image of a 12-in ruler appear in a plane mirror?Does it depend on the distance the ruler is form the mirror?
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