1.

What is the minimum number of rays required for locating the image formed by a concave mirror for an object. Draw a ray diagram to show the formation of a virtual image by a concave mirror.

Answer»

Solution :A minimum of two rays are required for LOCATING the image formed by a CONCAVE mirror for an object. When the object AB is held between POLE P and principal focus F of the concave mirror, the image formed, A'B' is virtual, erect and magnified as


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