Biology, asked by fftoxicrohit, 1 day ago

An object at a distance of 30 cm from a concave mirror gets its image at the same point. The focal length of the mirror is

1.-30 cm
2 .-15cm
3.+30cm
4.+15cm

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Answers

Answered by 0611sabi

0

Answer:

+15cm

sorry for it ans is wrong

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