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11 Dec 2019
You want to use a makeup/shaving mirror. This mirror is a concave mirror with a radius of curvature of 40 cm. The image of the face seen in this mirror has a magnification of +3.
What is the focal length of this mirror? Is this focal length positive or negative?
You want to use a makeup/shaving mirror. This mirror is a concave mirror with a radius of curvature of 40 cm. The image of the face seen in this mirror has a magnification of +3.
What is the focal length of this mirror? Is this focal length positive or negative?
Sagar YadavLv10
13 Apr 2021
