STANDARD Physics Spherical Mirrors MCQ Question
A rod of length 10 cm lies along the principal axis a concave mirror of focal length 10 cm in such a way that its end close 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
Correct Answer
Detailed Explanation
Using the mirror formula for each end of the rod, the image of the end closer to the mirror is formed at 40 cm, and the other end at 35 cm. The length of the image is 5 cm.
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