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Plss answer thiss correctly.. |
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Answer» u = ? V = -60cm f = 30 cm By LENS formula 1/f = 1/v-1/u 1/30 = -1/60-1/u 1/u = -1/60-1/30 1/u = -1-2/60 1/u = -3/60 = -1/20 u = -20 cm Magnification = -v/u = -(-60)/-20 = -3
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