What is meant by the power of a lens?what is its si unit ?name the type of lens whose power is negative
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power of a lens is the reciprocal of its focal length
its si unit is W(watt)
concave lens power is negative
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its si unit is W(watt)
concave lens power is negative
HOPE IT HELPS YOU
PLEASE..... MARK IT AS BRAINLIEST
Anonymous:
sach mei bahot
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