An object placed at 60cm in front of a concave mirror makes an image 30 cm in front of the mirror, then what is the distance of the focus of the mirror.

Asked Sep 06, 2023 Modified Sep 06, 2023 Viewed 0 times
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asked Sep 06, 2023 at 22:07
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20cm towards the mirror
answered Sep 06, 2023 at 22:07

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