An object is placed in front of a concave (diverging) lens of focal length

PHYSICS · Single correct · GCSE · Physics · Waves · Waves

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