Question

what is the position of an object when an object is placed at a distance of 20cm from a concave mirror of focal length 20cm​

Answer 1

Answer:

What is the position of an image when an object is placed at a distance of 20 cm from a concave mirror of focal length 20 cm ? Here, the object is placed at the focal point of the mirror. The image will be formed at infinity. The image formed in this case will be highly enlarged, real and inverted.

Explanation:

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Answer 2

step by step explanation the answer is 140