A thin rod of length f/3 lies along the axis of a concave mirror of focal length f. One…
Physics · JEE Advanced · NTA Exams — Optics
A thin rod of length f/3 lies along the axis of a concave mirror of focal length f. One end of its magnified image touches an end of the rod. The length of the image is
- f
- \(\frac{1}{2} \mathrm{f}\)
- 2 f
- \(\frac{1}{4} \mathrm{f}\)
Answer
(B) 1 2 f
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