A rod of length 10 cm lies along the principal axis of a concave mirror of focal length…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
A rod of length 10 cm lies along the principal axis of a concave mirror of focal length 10 cm in such a way that its end closer to the pole is 20 cm away from the mirror. The length of the image is
- 10 cm
- 15 cm
- 2.5 cm
- 5 cm
Answer
(D) 5 cm
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