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A concave mirror, of aperture 4 cm, has a point object placed on its principal axis at a distance of 10 cm from the mirror. The image, formed by the mirror, is not likely to be a sharp image. State the likely reason for the same.

A concave mirror, of aperture 4 cm, has a point object placed on its principal axis
at a distance of 10 cm from the mirror. The image, formed by the mirror, is not
likely to be a sharp image. State the likely reason for the same.

Grade:11

1 Answers

Aakash Pratap
11 Points
5 years ago
This is because of spherical abberation. the mirror has a very large apperture when compared to the size of the object. hence all marginal rays will not converge on the focus.

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