Answer to Question #294949 in Optics for Chemistry

Question

A spherical air bubble in water can function as a lens. Is it a converging or diverging lens?

How is its focal length related to its radius?

Answer 1

Solution:

A spherical air bubble in water can function as a concave lens, which is diverging lens.

its focal length related to its radius as:

|f| is proportional to the radius of curvature of the drop.