Ray Optics · Reflection
A rod of length 10 cm lies along the principal axis of a concave mirror of focal length 10 cm as shown in figure. The length of the image is cm.
- (1)2.5
- (2)5
- (3)7.5
- (4)7
We corrected a printing error in the original paper
Source printed “principle axis”.
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See the full 4 Apr 2026, Shift 1 paper
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