What are concave mirrors and convex mirrors?
When in a spherical mirror, the reflecting surface is bulged inward surface and the polished surface is bulged out surface, then the spherical mirror is called concave mirror.
When in a spherical mirror, the reflecting surface is the bulged out surface and the inward surface is polished, then the spherical mirror is called convex mirror.
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When in a spherical mirror, the reflecting surface is bulged inward surface and the polished surface is bulged out surface, then the spherical mirror is called concave mirror.
When in a spherical mirror, the reflecting surface is bulged inward surface and the polished surface is bulged out surface, then the spherical mirror is called concave mirror.
When in a spherical mirror, the reflecting surface is the bulged out surface and the inward surface is polished, then the spherical mirror is called convex mirror.