The focal length of a magnifying glass is 45 cm to
The focal length of a magnifying glass is 4.5 cm.
1) To magnify an object do you place it at 3.0 cm or at 5.0from the glass?
2) If the near-point is 30 cm, find the magnification for the image at infinity
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the focal length of a magnifying glass is 45 cm1 to magnify an object do you place it at 30 cm or at 50from the glass2
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