Question

what are two basic shape of lenses explain the woking with the help of diagram​

Answer 1

Answer:

Concave lens and convex lens

Explanation:

Figure are available at web

Answer 2

Answer:

Convex and Concave

Explanation:

(“cave” is the “negative” one, where it goes in, like a bowl. Convex or “positive” is the most common one, that bulges out and focuses. Concave spreads out the light. The two are often used to together, even on the same lens. Plano-Convex or Plano-Concave means flat on one side. Bi-convex is positive on both sides. There are a lot more than the two basic shapes.