Question

An object is placed at 30 cm infront of a concave mirror of focal lenght 15 cm fond the sharp image

Answer 1

the sharp image will for at -30 cm



please mark it as brainlist

Answer 2

u=30
f=15
v=?
1/v+1/u=1/f
1/v=1/15-1/30
1/v=2-1/30
1/v=1/30
v=30