Question

An object is placed 15 cm away from a convex mirror of focal length 5cm

Answer 1

h=5 cm

u = 15 cm

f= 10 cm

by using mirror formula

1/v=1/f-1/u

1/v=1/-10 + 1/15

1/v=-3+2/30

v=-30

height of the image 

h'/h=-v/u

h'/5=30/-15

h'=10 cm

position = 30 cm from concave mirror

nature = real and inverted 

hope it helps you

Answer 2

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