Page 17 - cbse-class-10-light-reflection-and-refraction

Real

Inverted

Magnified

When the Object Is at the Focus

Consider a light ray parallel to the principal axis and another ray passing through
the center of curvature. The ray parallel to the principal axis passes through the
focus, while the ray through the center of curvature retraces its path. The reflected
rays are parallel to each other and would only meet at infinity, implying that the
image is formed at infinity and is a true, inverted, and enlarged image. The image
is at infinity:

Real

Inverted

Magnified

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