Physics

Physics

Problem

Calculate the image distance

v

produced by a convex lens of focal length

20\,\text{cm}

when an object is placed

30\,\text{cm}

in front of the lens. a)

+12\,\text{cm}

b)

+60\,\text{cm}

c)

-12\,\text{cm}

d)

+18\,\text{cm}

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