Physics

Physics

Problem

An object is placed

6\,\text{cm}

in front of a concave (diverging) lens of focal length

10\,\text{cm}

. According to the Cartesian sign convention, which of the following gives the correct signs of

u

,

f

, and the expected

v

? a)

u

negative,

f

negative,

v

positive b)

u

negative,

f

negative,

v

negative c)

u

positive,

f

negative,

v

negative d)

u

negative,

f

positive,

v

negative

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