2) How spherical mirrors are formed?
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A spherical mirror is formed by cutting out a piece of a sphere and silvering either the inside or outside surface. ... The distance along the optical axis from the mirror to the focal point is called the focal length of the mirror.
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A spherical mirror is formed by cutting out a piece of a sphere and silvering either the inside or outside surface. ... The distance along the optical axis from the mirror to the focal point is called the focal length of the mirror
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