cermin cekung

Specification of cermin cekung

concave mirror is a concave mirror is a curved mirror, where the concave mirror surface reflects light backward. The normal line of a concave mirror is a line that passes through the center of curvature, that is at the point R or 2F. The light that passes through this point will be reflected to that point too.

Prima Jaya Alkes

Jl dokter mansyur no 28 (in front of USU's medical faculty)
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