Question

An object is at a distance of 5 m from a convex mirror of focal length 10 ​

Answer 1

f=10cm

u=5cm

v=?

1/f=1/v+1/u

1/10=1/5+1/v

1/10=5+v/5v

5v/10=5+v

5v=50+10v

10v-5v=-50

5v= -50

v = -10

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