Thin Lens And Lens Maker Equations Video Lessons

Concept

# Problem: A real image is four times as far from a lens as is the object.What is the object distance, measured in focal lengths? ____from the lens.

###### FREE Expert Solution

Lens maker equation:

$\overline{)\frac{\mathbf{1}}{{\mathbf{s}}_{\mathbf{0}}}{\mathbf{+}}\frac{\mathbf{1}}{{\mathbf{s}}_{\mathbf{i}}}{\mathbf{=}}\frac{\mathbf{1}}{\mathbf{f}}}$

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###### Problem Details

A real image is four times as far from a lens as is the object.

What is the object distance, measured in focal lengths? ____from the lens.