How far from focal-length lens must an object be placed

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Reference no: EM131001502

Part A. How far from a 41.0-mm-focal-length lens must an object be placed if its image is to be magnified 3.50 and be real? Express your answer to three significant figures and include the appropriate units.

Part B. How far from a 41.0-mm-focal-length lens must an object be placed if its image is to be magnified 3.50 and be virtual? Express your answer to three significant figures and include the appropriate units.

Reference no: EM131001502

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