Question

an object is placed at 4 cm before the center of curvature of concave mirror the focal length is12cm find the inage distance
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Answer 1

Answer:v=6cm in the front of the mirror

Explanation:u=-4cm

f=-12cm

1/v+1/u=1/f

Let the image distance be v

1/v+1/-4=1/-12

1/v=1/-12+1/4

1/v=-2/12

1/v=-1/6

v=6cm in front of the mirror