Physics

Problem

An object

4\,\text{cm}

tall is kept

12\,\text{cm}

in front of a convex lens of focal length

8\,\text{cm}

. What is the height and orientation of the image? a)

2\,\text{cm}

, inverted b)

8\,\text{cm}

, inverted c)

8\,\text{cm}

, erect d)

2\,\text{cm}

, erect