Question

write types of spherical lenses.
plz help me fast....​

Answer 1

Convex or Converging Lenses: These are thick in the middle and thin at the edges. (a) Double Convex Lens: It has both the surfaces convex. (b) Plano–Convex Lens: It has one surface plane and the other surface convex. (c) Concavo–Convex Lens: It has one surface concave and the other surface convex.

Answer 2

defination:A piece of transparent medium bounded by at least one spherical surface is called a spherical lenses.

there are two types of sperical lenses:(1)convex or converging lenses.These are thick in middle and thin at the edges.(a) Double convex lens :It has both the surface convex.(b) Plano-convex lens: It has one surface plane and the other surface convex.

hope it's helpful