When a concave mirror has been used as a shaving mirror, where is the face of a person should be held in relation to the focus of the mirror?A. between pole and mirrorB. above pole and focusC. below pole and focusD. between pole and focus
When using a concave mirror as a shaving mirror, you should hold your face between the pole and the focus of the mirror. So the correct answer is:
D. Between pole and focus.
Concave mirrors have two focal points: one in front of the mirror (real focus) and one behind the mirror (virtual focus). When you position your face between the pole (the center of the mirror) and the focus, it will produce a magnified, upright virtual image of your face that makes it easier to see details while shaving.
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