Question

How do we represent concave lens,convex lens

Answer 1

$\huge\color{pink}{\mathfrak{♡ђэℓℓ๏♡}}$

A convex lens is called as 'converging lens' or 'positive lens'. A concave lens is called as 'Diverging lens' or 'Negative lens. When light passes through the lens, it bends the light rays towards each other. The concave lens spreads out the light when it passes through the lens.

Answer 2

Answer:

+sign for convex

Explanation:

-sign for concave