Find the focal length (f) of a magnifying glass if you can see a fingerprint clearly when your eye is 15 cm away from th

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answerhappygod
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Find the focal length (f) of a magnifying glass if you can see a fingerprint clearly when your eye is 15 cm away from th

Post by answerhappygod »

Find the focal length (f) of a magnifying glass if you can see a
fingerprint clearly when your eye is 15 cm away from the glass, and
the glass is 2 cm away from the fingerprint.
f = ______________ cm
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