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What is the position of the image when an object is placed at a distance of 20 cm from a concave mirror of focal length 20 cm?
When an object is placed at a distance of 20 cm from a concave mirror of focal length 20 cm, then the position of the image is at infinity. The is because when an object is placed at the focus of a concave mirror then the image is formed at infinity.
Explanation
For an object placed at the focus $(F)$ of a concave mirror, the image formed is real and inverted, highly enlarged, and at the infinity.
Updated on: 10-Oct-2022
4K+ Views
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