# physics

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A dentist uses a small mirror with a radius of 40 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 16 mm from the tooth, what is the magnification of the image?

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1. ### Physics

1)A 5.0 cm real object is placed at a distance of 5.0 cm from a concave mirror of focal length 10 cm. Find the size of the image. di= -10 magnification = |di/do| magnification = |-10/5.0| magnification = 2 image size = (object size)*(magnification) …
2. ### Physics repost

1)A 5.0 cm real object is placed at a distance of 5.0 cm from a concave mirror of focal length 10 cm. Find the size of the image. di= -10 magnification = |di/do| magnification = |-10/5.0| magnification = 2 image size = (object size)*(magnification) …
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10. ### PHYSICS HELP

1)An object is 2.40 mm high, is 8.6 cm to the left of a convex lens of 5.9 cm focal length. Find image location and height. 2) A dentist uses a small mirror of radius 42 mm to locate a cavity in a patient's tooth. If the mirror is …

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