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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? - Science

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? 

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Solution

When an object is placed at a distance of 20 cm from a concave mirror of focal length 20 cm, the position of the image is at infinity. The reason being, the image formed by a concave mirror is at infinity when an object is placed at its focus.

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Lakhmir Singh Class 10 Physics (Science)
Chapter 4 Reflection of Light
Q 2 | Page 198
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