When an object is placed very close to the pole of a concave mirror, the virtual image obtained is

Assessment: JAMB UTME - Physics - 1992 Subject: Physics

Question 1 Report

When an object is placed very close to the pole of a concave mirror, the virtual image obtained is
Answer Details
When an object is placed very close to the pole of a concave mirror, the virtual image obtained is enlarged and upright. A concave mirror is a mirror that curves inward, and the focal point of the mirror is the point at which all light rays parallel to the axis of the mirror converge. When an object is placed very close to the pole of the mirror, the light rays from the object diverge and do not converge at the focal point. However, the diverging rays appear to originate from a virtual object behind the mirror, and these rays converge at the focal point. As a result, a virtual, enlarged and upright image of the object is formed.

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