If an object is placed at a distance of 8cm from a concave mirror of focal length 10cm discuss the nature of the image formed by drawing the ray diagram.
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Solution
Here, the focal length of the mirror is given 10cm, and the object is placed at a distance of 8cm. This means that the object lies between the pole (P) and the focus (F) of the concave mirror. Thus, the image formed is virtual, erect, and magnified as shown in the figure.