Question

Explain the relation between these two pairs of words respect to lenses.a)Focal length and center of curvature.b)In which direction the light bends when it moves from air into banzene solution.​

Answer 1

a) Center of curvature is the center of the imaginary sphere from which the lens is optained.

Focal length it is the distance between center of curvature and principal focus.

b) The light ray bends away from the normal..