What will happen to magnetic flux in a switch closed of a self-induction phenomenon​

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?

Argon, neon, and xenon are examples of

Frequency of electromagnetic waves that a radio station is assigned is called