Science, asked by raykheresejal, 7 hours ago

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Answered by sakshamawasthi1000
0

Answer:

A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. the focal length of this mirror is? Hence, b) -20 cm is the answer.

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Answered by ActionBoy46
1

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