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A real image is a type of image that is formed when light rays actually converge, as opposed to virtual images, which are formed by light rays that only appear to diverge. It can be projected onto a screen. In this experiment, we will locate the real image of a small object in a concave mirror just by seeing.
The location of the image of an object in a concave mirror is given by the mirror formula \begin{align} \frac{1}{v}+\frac{1}{u}=\frac{1}{f}. \end{align} To locate the image experimentally requires special skills. Usually in laboratories, parallax between the image and another object is used to locate it. In this experiment you will explore the possibility of approximately locating the image just by seeing at it.
You need a concave mirror with stand, scale, and two pens in stands.
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