Thin Lens And Lens Maker Equations Video Lessons

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# Problem: A doctor examines a mole with a 16.0 cm focal length magnifying glass held 14.0 cm from the mole.Where is the image? (Enter the image distance in meters. Include the sign of the value in your answer.)

###### FREE Expert Solution

Lens equation:

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

f = +16.0 cm

so = 14.0 cm

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###### Problem Details

A doctor examines a mole with a 16.0 cm focal length magnifying glass held 14.0 cm from the mole.

Where is the image? (Enter the image distance in meters. Include the sign of the value in your answer.)