Physics

Physics

Problem

A thin concave lens has focal length

15\,\text{cm}

. An object is placed

30\,\text{cm}

in front of the lens. The image distance

v

measured from the lens is a)

+30\,\text{cm}

b)

-10\,\text{cm}

c)

-15\,\text{cm}

d)

-30\,\text{cm}

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