alleryStart learning →A ray parallel to the principal axis, after reflecting from a concave mirror,
Apasses through the pole
Bpasses through the focus
Creturns parallel to itself
Dreaches the curvature centre
Answer & Solution
Correct answer: B. passes through the focus
1. A ray parallel to the axis is reflected through the focus of a concave mirror.
2. This is how a concave mirror focuses distant sunlight to a bright spot.
3. The reverse ray, through the focus, comes back parallel.
_Source: AP/TS SCERT Class 10 Physical Science, "Reflection of Light at Curved Surfaces"_
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