a concave mirror of small apertures form a sharper image why???
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this is because the amount of concentration of light is more in a concave mirror of smaller aperture than that of a larger aperture
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Answer:
Because the concave mirror of small aperture is free from spherical aberration.
Explanation:
The rays of light travelling parallel to the principal axis, after reflection from a concave mirror meet at a single point only, if the beam of light is narrow or if the mirror is of small aperture
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