Which is the correct definition of the focal point of a converging lens or a concave mirror?

the point at which light from all real objects will be focused.
the point at which light from upright images will be focused into inverted images.
the point at which light from very distant objects will be focused.
the point at which light from virtual images will be focused.
the point at which light from objects within the radius of curvature will be focused.

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Which of the following statements comparing electron microscopy and light microscopy is false? which of the following statements comparing electron microscopy and light microscopy is false? both the electron microscope and the light microscope use the same wavelengths for illumination. images produced by light microscopes can be in color, whereas electron microscope images are black and white unless they are artificially colored. the electron microscope has greater resolution than the light microscope. electron microscopes can allow examination of viruses and internal cell structures, whereas light microscopes are limited to objects that are 0.5 micrometers and larger. request answer

What are close-toed shoes least likely to provide protection against? hydrogen gas produced during a reaction spilled water from a hot-water bath broken glass from a dropped test tube acid leaking from a cracked beaker