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A narrow rod of length (f)/(3) is place...

A narrow rod of length `(f)/(3)` is placed along the axis of a concave mirror of focal length f. The image of the rod is real, magnified and just touches the rod. Determine the magnification.

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CHHAYA PUBLICATION-REFLECTION OF LIGHT-PROBLEM SET - I
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  14. A square plate of side 4 cm is situated at a distance of 20 cm from a ...

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  17. The image formed by a convex mirror is one third of the object. If th...

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  20. When an object is placed at a distance of 60 cm from a convex spherica...

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