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A person is using a concave make-up mirror to examine a boil that is forming on...

A person is using a concave make-up mirror to examine a boil that is forming on their face. The boil has already grown to 6 mm in diameter. The person holds the mirror 10 cm from their face to get a magnification of 1.4.


What is the size of the mole seen in the mirror? in mm.

Where is the image formed? in cm. In front or behind the mirror?

What is the focal length of this mirror? in cm

The person, disgusted by the giant boil, steps two paces or 133 cm away from the mirror. At this distance they now see an image of their entire head formed by the mirror.
Where is the image formed? in cm. In front or behind the mirror?

If their head is 25 cm in size, then The image of the head that is formed by the mirror is ____ cm tall and upright or inverted?

Science   Advanced-Physics   
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