Which are uses of lasers? Check all that apply.scanning barcodestransmitting telephone and Internet signalsexamining internal body partscutting through metals, ceramics, plastics, and clothcorrecting vision problems
virtual imagefocal point✔ object
objectvirtual image✔ focal point
Refer to the diagram to the left and use the drop-down menus to identify the parts of a magnifying glass.
concave lensmagnifying lens✔ convex lens
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