Mirror Equation Video Lessons

Concept

# Problem: The virtual image produced by a convex mirror is one-quarter the size of the object. If the object is 34 cm in front of the mirror, a. what is the image distance?b.  What is the focal length of this mirror?

###### FREE Expert Solution

Mirrorequation:
$\overline{)\frac{\mathbf{1}}{{\mathbit{s}}_{\mathbit{o}}}{\mathbf{+}}\frac{\mathbf{1}}{{\mathbit{s}}_{\mathbit{i}}}{\mathbf{=}}\frac{\mathbf{1}}{\mathbit{f}}}$

Magnification:

$\overline{){\mathbf{m}}{\mathbf{=}}\frac{{\mathbf{h}}_{\mathbf{i}}}{{\mathbf{h}}_{\mathbf{o}}}{\mathbf{=}}{\mathbf{-}}\frac{{\mathbf{s}}_{\mathbf{i}}}{{\mathbf{s}}_{\mathbf{o}}}}$

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###### Problem Details

The virtual image produced by a convex mirror is one-quarter the size of the object. If the object is 34 cm in front of the mirror,

a. what is the image distance?

b.  What is the focal length of this mirror?