contestada

8. When an object is 28 cm in front of a
concave mirror, the image is 16 cm in front
of the mirror? What is the focal length of
the mirror?
*

Respuesta :

saralatin2

FORMULA

[tex] \frac{1}{f} = \frac{1}{p} + \frac{1}{l} [/tex]

p-the distance of the figure(object)from the vertex of the mirror

l-the distance of the figure from the vertex of the mirror

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