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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 2 > Chapter 16 - Reflection of Light > A square wire of side 3.0 cm is placed 25 cm in front of a concave mirror of focal length 10 cm with Its center on the axis of the mirror and its plane normal to the axis. The area enclosed by the image of the wire is

A square wire of side 3.0 cm is placed 25 cm in front of a concave mirror of focal length 10 cm with Its center on the axis of the mirror and its plane normal to the axis. The area enclosed by the image of the wire is

A concave mirror has focal length 15 cm. Where should an object be placed in front of the mirror so that the image formed is three times the size of the object?