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is there any formula for power of A MIRROR ????? is it P= -1/f

is there any formula for power of A  MIRROR  ?????


is it P= -1/f

Grade:9

1 Answers

harini desiraju
31 Points
11 years ago

it is only P=1/f .Sign is decided by the sign of f .The same formula is applicable to lenses also.

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