The image distance is di is -50cm.
Adverb: curved inward. bending inward. having one or two surfaces that are concave or that are ground to resemble a section of the interior of a sphere, paraboloid, etc. math of a polygon with an interior angle greater than 180 degrees.
Mirrors used in flashlights, reflecting telescopes, car headlights, and other devices are examples of concave mirrors. Convex mirrors come in a variety of shapes, including those used as optical devices, calling bells, and vehicle rearview mirrors.
The image distance is di = −mdo
The image distance is di = −2(25 cm)
The image distance is di = −50 cm.
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