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प्रश्न
In the following cases, a ray is incident on a concave mirror. In which case is the angle of incidence equal to zero?
पर्याय
A ray parallel to the principal axis.
A ray passing through the centre of curvature and incident obliquely.
A ray passing through the principal focus and incident obliquely.
A ray incident obliquely to the principal axis, at the pole of the mirror.
MCQ
उत्तर
A ray passing through the centre of curvature and incident obliquely.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
