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Two concave mirrors have the same focal length but the aperture of one is larger than that of the other. Which mirror forms the sharper image and why?

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MCQs on light reflection using spherical mirrors, refraction, total internal reflection, refraction through prism and lenses, natural phenomena due to sunlight and optical instruments.


Two concave mirrors have the same focal length but the aperture of one is larger than that of the other. Which mirror forms the sharper image and why?






 
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