Question

an object is placed at a distance 6cm from a point a convex mirror of focal length 12cm find ​

Answer 1

U = -6cm, f = 12 cm, v = ?

We know that

1/v + 1/u = 1/f

⇒ 1/v + 1/-6 = 1/12

⇒ 1/v = 1/12 + 1/6 = 3/12 = 1/4

∴ v = 4 cm

Image will be formed 4 cm behind the mirror.

Since the image is formed behind the convex mirror, it is virtual and erect.

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Answer 2

U = -6cm, f = 12 cm, v = ? Image will be formed 4 cm behind the mirror. Since the image is formed behind the convex mirror, it is virtual and erect.