Calculate the focal length of your magnifying glass

Reference no: EM13541840

By holding a magnifying glass 29cm from your desk lamp, you can focus an image of the lamp's bulb on a wall 1.8m from the lamp. What is the focal length of your magnifying glass?

Reference no: EM13541840

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Calculate the focal length of your magnifying glass : By holding a magnifying glass 29cm from your desk lamp, you can focus an image of the lamp's bulb on a wall 1.8m from the lamp. What is the focal length of your magnifying glass

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