Which of the following is incorrect?

Options

A. A thin convex lens of focal length `f_(1)` is placed in contact with a thin concave lens of focal length `f_(2)`. The combination will act as convex lens if `f_(1)ltf_(2)`
B. Light on reflection at water-glass boundary will undergo a phase change of `pi`
C. Spherical aberration is minimized by achromatic lens
D. If the image of distant object is formed in front of the retina then defect of vision may be myopia

Answer

C