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Define principal focus of a concave mirror.
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14/09/2021 6:33 pm
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Define principal focus of a concave mirror.
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14/09/2021 6:34 pm
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It is a point on the principal axis at which parallel rays of light travelling close to principal axis actually converge after reflection.
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class 10 (8819)
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cbse (15084)
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ncert (13840)
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light reflection (207)
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refraction (207)
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