Input interpretation
![concave mirror image equations](../image_source/3e4de0e3adf9c99012af5c81eff5d73e.png)
concave mirror image equations
Equation
![1/i + 1/o = 1/f | M = -i/o | i | distance between image and mirror f | focal length o | distance between object and mirror M | subject magnification factor](../image_source/d07e09b76b2b0286a77137ecb8e1e1ae.png)
1/i + 1/o = 1/f | M = -i/o | i | distance between image and mirror f | focal length o | distance between object and mirror M | subject magnification factor
Input values
![focal length | 20 mm (millimeters) distance between object and mirror | 26 mm (millimeters)](../image_source/797ce083c731f0e3290419910490ad2d.png)
focal length | 20 mm (millimeters) distance between object and mirror | 26 mm (millimeters)
Result
![distance between image and mirror | 86.67 mm (millimeters) = 0.2843 feet = 3.412 inches = 8.667 cm (centimeters) = 0.08667 meters subject magnification factor | -3.333](../image_source/89396f9075bdfd561661eca631fea2a3.png)
distance between image and mirror | 86.67 mm (millimeters) = 0.2843 feet = 3.412 inches = 8.667 cm (centimeters) = 0.08667 meters subject magnification factor | -3.333
Ray plot
![Ray plot](../image_source/f939a819cd18d7d4f08a8b905f63150e.png)
Ray plot